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Desert. Bot. Gard. Arizona, Sci. Bull. 1: 94. 1950
Family: CACTACEAE
Accepted Scientific Name: Escobaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
Desert. Bot. Gard. Arizona, Sci. Bull. 1: 94. 1950
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Origin and Habitat: Southern Nevada, eastern California, southwestern Utah, and northwestern Arizona.
Habitat: It grows on carbonate soils in rocky limestone outcrops and along limestone ridges in mountain in Pinyon-Juniper Woodland and Joshua Tree (Yucca brevifolia) Woodland at elevations of 1000-2400 metres above sea level. This species is difficult to find because they are small and occur infrequently, but occasionally may form dense population.
Synonyms:
- Escobaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
- Cactus radiosus var. deserti (Engelm. in W.H.Brewer & S.Watson) J.M.Coult.
- Coryphantha chlorantha var. deserti (Engelm. in W.H.Brewer & S.Watson) Backeb.
- Coryphantha deserti (Engelm. in W.H.Brewer & S.Watson) Britton & Rose
- Coryphantha vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
- Escobaria deserti (Engelm. in W.H.Brewer & S.Watson) Buxb.
- Mammillaria deserti Engelm. in W.H.Brewer & S.Watson
- Mammillaria radiosa var. deserti (Engelm. in W.H.Brewer & S.Watson) K.Schum.
- Mammillaria radiosa f. deserti (Engelm. in W.H.Brewer & S.Watson) Schelle
- Mammillaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) L.D.Benson
Escobaria vivipara (Nutt.) Buxb.
Oesterr. Bot. Z. 98: 78. 1951 as vivipera
Synonymy: 60
- Escobaria vivipara (Nutt.) Buxb.
- Cactus viviparus Nutt. in Fraser
- Coryphantha vivipara (Nutt.) Britton & Rose
- Mammillaria radiosa var. vivipara (Nutt.) Schelle
- Mammillaria vivipara (Nutt.) Haw.
- Escobaria columnaris (Lahman)
- Coryphantha columnaris Lahman
- Escobaria neovivipara (Y.Itô)
- Coryphantha neovivipara Y.Itô
- Escobaria oklahomensis (Lahman) Buxb.
- Coryphantha oclahomensis Lahman
- Coryphantha oklahomensis Lahman
- Escobaria oclahomensis (Lahman) Buxb.
- Escobaria vivipara var. arizonica (Engelm.) D.R.Hunt
- Coryphantha arizonica (Engelm. in W.H.Brewer & S.Watson) Britton & Rose
- Coryphantha neovivipara var. arizonica (Engelm. in W.H.Brewer & S.Watson) Y.Itô
- Coryphantha vivipara var. arizonica (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
- Escobaria arizonica (Engelm. in W.H.Brewer & S.Watson) Buxb.
- Mammillaria arizonica Engelm. in W.H.Brewer & S.Watson
- Mammillaria radiosa var. arizonica (Engelm. in W.H.Brewer & S.Watson) K.Schum.
- Mammillaria radiosa f. arizonica (Engelm.) Schelle
- Mammillaria vivipara var. arizonica (Engelm. in W.H.Brewer & S.Watson) L.D.Benson
- Escobaria vivipara var. bisbeeana (Orcutt) D.R.Hunt
- Coryphantha bisbeeana Orcutt
- Coryphantha vivipara var. bisbeeana (Orcutt) L.D.Benson in L.D.Benson
- Coryphantha vivipara var. bisbeeana f. sonorensis P.C.Fisch.
- Coryphantha vivipara f. sonorensis P.C.Fisch.
- Escobaria bisbeeana (Orcutt) Borg
- Mammillaria bisbeeana (Orcutt) Orcutt ex Backeb.
- Escobaria vivipara var. buoflama (P.Fischer) N.P.Taylor
- Coryphantha vivipara var. buoflama P.C.Fisch.
- Escobaria vivipara var. kaibabensis (P.Fischer) N.P.Taylor
- Coryphantha vivipara var. kaibabensis P.C.Fisch.
- Escobaria vivipara var. neomexicana (Engelm.) Buxb. in Krainz
- Cactus neomexicanus (Engelm.) Small
- Cactus radiosus var. neomexicanus (Engelm.) J.M.Coult.
- Coryphantha neomexicana (Engelm.) Britton & Rose
- Coryphantha neovivipara var. neomexicana (Engelm.) Y.Itô
- Coryphantha radiosa var. neomexicana (Engelm.) Schelle
- Coryphantha vivipara var. neomexicana (Engelm.) Backeb.
- Escobaria neomexicana (Engelm.) Buxb.
- Mammillaria neomexicana (Engelm.) A.Nelson
- Mammillaria vivipara subvar. neomexicana Engelm.
- Escobaria vivipara var. radiosa (Engelm.) D.R.Hunt
- Cactus radiosus (Engelm.) J.M.Coult.
- Coryphantha fragrans Hester
- Coryphantha neovivipara var. radiosa (Engelm.) Y.Itô
- Coryphantha radiosa (Engelm.) Rydb.
- Coryphantha vivipara var. radiosa (Engelm.) Backeb.
- Echinocactus radiosus (Engelm.) Poselg.
- Escobaria radiosa (Engelm.) G.Frank
- Mammillaria radiosa Engelm.
- Mammillaria radiosa var. neomexicana (Engelm.) C.F.Först.
- Mammillaria vivipara subs. radiosa (Engelm.) Engelm.
- Mammillaria vivipara var. radiosa (Engelm.) Engelm.
- Neomammillaria radiosa (Engelm.) Rydb.
- Escobaria vivipara var. rosea (Clokey) D.R.Hunt
- Coryphantha alversonii var. exaltissima Wiegand & Backeb. in Backeb.
- Coryphantha rosea Clokey
- Coryphantha vivipara var. rosea (Clokey) L.D.Benson in L.D.Benson
Escobaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
Desert. Bot. Gard. Arizona, Sci. Bull. 1: 94. 1950
Synonymy: 16
- Escobaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
- Cactus radiosus var. deserti (Engelm. in W.H.Brewer & S.Watson) J.M.Coult.
- Coryphantha chlorantha var. deserti (Engelm. in W.H.Brewer & S.Watson) Backeb.
- Coryphantha deserti (Engelm. in W.H.Brewer & S.Watson) Britton & Rose
- Coryphantha vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall
- Escobaria deserti (Engelm. in W.H.Brewer & S.Watson) Buxb.
- Mammillaria deserti Engelm. in W.H.Brewer & S.Watson
- Mammillaria radiosa var. deserti (Engelm. in W.H.Brewer & S.Watson) K.Schum.
- Mammillaria radiosa f. deserti (Engelm. in W.H.Brewer & S.Watson) Schelle
- Mammillaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) L.D.Benson
- Escobaria chlorantha (Engelm. ex Wheeler) Buxb.
- Cactus radiosus var. chloranthus (Engelm. ex Wheeler) J.M.Coult.
- Coryphantha chlorantha (Engelm. ex Wheeler) Britton & Rose
- Mammillaria chlorantha Engelm. ex Wheeler
- Mammillaria radiosa f. chlorantha (Engelm.) Schelle
- Mammillaria vivipara var. chlorantha (Engelm. ex Wheeler) L.D.Benson
ENGLISH: Desert pincushion cactus, Desert pincushion, Beehive cactus
Description: The desert pincushion (Escobaria viviparaSN|10145]]SN|9953]] var. deserti) is one of the innumerable local or morphological form of the very variable Escobaria viviparaSN|9953]]SN|9953]], however some authors (Anderson 2001) still consider Escobaria desertiSN|10141]]SN|10141]] a good species on its own, and not a variety of vivipara. It was formerly known as Coryphantha chloranthaSN|10149]]SN|10149]]. Typically it has conspicuously cylindrical stems rather than spherical flattened as in the standard Escobaria viviparaSN|9953]]SN|9953]]. The desert pincushion cactus usually occurs as a single stem but may be multi-stemmed. The stem is densely covered with relatively long, stout, straight white spines with reddish-brown tips, and all of the spines are pressed closely against the stem. Plants seldom exceed 15 cm in height, and the flower is small, only 15 to 25 mm broad and varies from dirty-greenish-yellow to dull rusty-brown. It is often synonymized with Escobaria chloranthaSN|9953]]SN|10145]], but it is smaller than chlorantha, but spines on larger plants look similar. Juvenile plants look completely different though. This species is rarely seen in specialized collections. It has fairly modest look, even when in bloom, and pretty tricky to grow.
Habit: It is a low growing perennial stem-succulent usually solitary and unbranched, but occasionally may form small clumps with few heads.
Stem: Cylindrical, 8-15 cm (sometimes to 25 cm) high, 6-9 cm in diameter, densely covered with spines.
Tubercles: 15-18 mm long closely set and entirely hidden by the densely matted spines.
Spines: Not well differentiated as centrals and radials.
Central spines: 4-6 (sometimes as many as 14), stouter than the radials, slightly spreading, those toward top of plant connivent, 12-20 mm long, black or bluish black in their upper half, shading into red, nearly white at base.
Radial spines: 12-20, white except at tip, spreading, 10-12 mm long.
Flowers: Small, solitary, opening in bright sunlight at the top of the stem, up to 3 cm long, 1,5-2,5(-4,5) cm in diameter. Outer perianth-segments more or less cilate; inner perianth-segments, straw yellow, dirty-greenish-yellow, rusty or brown coloured (sometimes dull pink) with a darker midline, linear-lanceolate, narrow, acute. Stigma-lobes white to greenish.
Blooming season: Blooms in early summer ( in habitat from April to May). Flowers open during the afternoon and only stay open for two hours or so.
Fruits: Central, green, to 2,5 cm long, juicy, bearing 5 or 6 scales near top.
Seeds: Brown, flattened, 1,5-2 mm long, reticulated.
Subspecies, varieties, forms and cultivars of plants belonging to the Escobaria vivipara group
Escobaria vivipara (Nutt.) Buxb.: It is a small solitary or clumping cactus. Some varieties form colonies of over 200 stems. This species is the most widespread, abundant and variable member of the genus. It is densely covered in a mat of star-shaped arrays of spines. Known as far north as Manitoba (Canada)
Escobaria vivipara var. arizonica (Engelm.) D.R.Hunt: (Arizona Spinystar) - it is native to the desert southwest of the United States.
Escobaria vivipara var. bisbeeana (Orcutt) D.R.Hunt: (Bisbee Spinystar) - It is native to Arizona and New Mexico.
Escobaria vivipara var. borealis n.n.: same as Escobaria vivipara var. neomexicana (Engelm.) Buxb. Distribution: New Mexico.
- Escobaria vivipara var. buoflama (P.Fischer) N.P.Taylor
Escobaria vivipara var. deserti (Engelm. in W.H.Brewer & S.Watson) W.T.Marshall: has cylindrical stems densely covered with spines. Flowers dirty-greenish-yellow to dull rusty-brown. Distribution: Southern Nevada, eastern California, southwestern Utah, and northwestern Arizona.
- Escobaria vivipara var. kaibabensis (P.Fischer) N.P.Taylor: (Kaibab Spinystar) - It is mostly limited to Arizona
Escobaria vivipara var. neomexicana (Engelm.) Buxb. in Krainz: (New Mexico spinystar) - It is native to New Mexico and Texas. Spines nearly always white.
Escobaria vivipara var. radiosa (Engelm.) D.R.Hunt: is native to Texas ( Hood, Wise, Brown, Hamilton, Montague and Young Counties),USA.
Escobaria vivipara var. rosea (Clokey) D.R.Hunt
Bibliography: Major references and further lectures
1) Sia Morhardt, Emil Lorhardt “California Desert Flowers: An Introduction to Families, Genera, and Species” University of California Press, 2004
2) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
3) James Cullen, Sabina G. Knees, H. Suzanne Cubey "The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass" Cambridge University Press, 11/Aug/2011
4) David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. "The New Cactus Lexicon" dh books, 2006
5) N. L. Britton, J. N. Rose “The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family.” Volume 4, The Carnegie Institution of Washington, Washington 1923
6) Franz Buxbaum: “Die Phylogenie der nordamerikanischen Echinocacteen. Trib. Euechinocactinae” F. Buxb. In: Österreichische Botanische Zeitschrift. Volume 98, Nr. 1–2, 1951, page. 78.
7) Del Weniger “Cacti of Texas and neighboring states: a field guide” University of Texas Press, 1984
8) Lyman David Benson “The Cacti of the United States and Canada” Stanford University Press, 1982
9) Urs Eggli, Leonard E. Newton, “Etymological Dictionary of Succulent Plant Names” Springer, Berlin/Heidelberg 2010
10) Sereno Watson, “Geological Survey of California.” Volume 2: Botany. Little, Brown & Co., Boston 1880.
11) "Southern California Edison's Eldorado-Ivanpah Transmission Line Project: Environmental Impact Statement" 2010
Cultivation and Propagation: The Desert Spinystar Escobaria viviparaSN|9953]]SN|9953]] var. deserti grows rather slowly and it is sensitive to overwatering (rot prone) and needs a very good drainage to avoid rotting.
Soil: Use a loose well drained cactus mix.
Repotting: It require a deep pot suited to accommodate the swollen root, repotting with fresh potting-mix should be done every other year or when the plant has outgrown its pot. However, repotting doesn't necessarily mean they'll need larger containers.
Sun Exposure: Light shade when young, full sun later. Outside it likes strong sunshine, but is tolerant and do well with light shade during the hot Summer months. Tends to bronze in strong light, which encourages spine production.
Hardiness: It is cold resistant to -10° ( or less depending on clones) for short periods of time. It will show its flowers only if we provide an adequate winter rest period.
Watering: They require moderately watering through the growing season. This can be done weekly or more frequently during the summertime, if the weather is sunny enough, but allow to dry fully before watering again. Kept this way, plants will show a healthy growth. Keep rather dry as soon as the temperature starts dropping in october and keep it dry in winter. The plant survives outside without protection in winter but is then somewhat prone to rot, too.
Fertilization: Give an occasional high potassium liquid feed during the active growing period.
Garden uses: It is a fine plant for a rock garden or container, contrasts well with agaves, yuccas, and low-growing flowering plants. Nice planted with Agave utahensisSN|581]]SN|581]], another very hardy species.
Pest and diseases: They are generally fairly easy to grow, especially if kept pest-free. They are susceptible to, scale insects and spider mite. Watch carefully for infestations of stem and root mealy bugs, and damage from these may well initiate fungal attack.
Propagation: Seeds, also can be grown from cutting as it branches from the base. Take cuttings spring or summer, let them dry till the ends callous well. Then replant them in fresh cactus soil that is ever so slightly moist, and keep it that way till they root. Surface sowing is the best; seeds germinate in 14-28 days at 20° C , remembering that seedlings dislike strong light and dry conditions.
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