Accepted Scientific Name: Conophytum jucundum subs. fragile (Tischer) S.A.Hammer
Dumpling & His Wife: New Views of Gen. Conophytum 165 2002 S.A.Hammer
Conophytum fragile (Conophytum jucundum subs. fragile) Photo by: Giuseppe Distefano
Origin and Habitat: Northern Namaqualand, Northern Cape, South Africa.
Habit and ecology: It grows on quartz or granite.
Synonyms:
See all synonyms of Conophytum jucundum
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Accepted name in llifle Database:Conophytum jucundum (N.E.Br.) N.E.Br.Gard. Chron. III, 71: 231 1922Synonymy: 13
Accepted name in llifle Database:Conophytum jucundum subs. fragile (Tischer) S.A.HammerDumpling & His Wife: New Views of Gen. Conophytum 165 2002Synonymy: 5
Accepted name in llifle Database:Conophytum jucundum subs. marlothii (N.E.Br.) S.A.HammerIllustr. Handb. Succ. Pl.: Aizoaceae A-E (ed. H.E.K.Hartmann) 154 2002 publ. 2001Synonymy: 5
Accepted name in llifle Database:Conophytum jucundum subs. ruschii (Schwantes) S.A.HammerDumpling & His Wife: New Views of Gen. Conophytum 165 2002Synonymy: 7
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Common Names include:
RUSSIAN (Русский): Конофитум xрупкий
Description: Conophytum jucundum subs. fragileSN|21945]]SN|21945]] is a dwarf caespitose plant with small rounded, light-green and spotted evergreen bodies, forming in its development a loose mat or cushion reaching a height of few centimetres. The epitet “fragilis” ( friable, breakable) refers to the easily broken internodes.
Stems: Elongate in age with internodes that breaks more or less easily, depending on clones.
Bodies (paired leaves): 15 mm tall and broad, usually much smaller, turbiniform, flattish at the top, with the centre often slightly depressed, pale bluish-green to greyish-green, densely spotted, usually glabrous. Sheath whitish, maculate, rather rigid.
Flowers: Petals pale pink to magenta (or white). rarely appearing in summer, petals pink, white, tube very long
Blooming season: It flowers rarely in summer.
Fruits: 4-6-locular.
Subspecies, varieties, forms and cultivars of plants belonging to the Conophytum jucundum group
- Conophytum jucundum (N.E.Br.) N.E.Br.: (subsp. Jucundum) has bodies more than 10 mm tall, apically convex, markings coarse.
- Conophytum jucundum subs. fragile (Tischer) S.A.Hammer: has internodes that breaks more or less easily, depending on clones. Distribution: Northern Namaqualand, Northern Cape, South Africa.
- Conophytum jucundum subs. marlothii (N.E.Br.) S.A.Hammer: has bodies less than 8 mm tall, apically truncate, finely marked.
- Conophytum jucundum subs. ruschii (Schwantes) S.A.Hammer
- Conophytum maximum Tischer
- Conophytum speciosum Tischer: Bodies 20 mm large and 30 mm tall, often concave, pale bluish green with dark green spots coalescing toward the fissure. Flowers usually pink-magenta. Distribution: Namaqualand, North Cape, South Africa.
Bibliography: Major references and further lectures
1) Gibbs Russell, G. E., W. G. Welman, E. Reitief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. v. Wyk & A. Nicholas. 1987. “List of species of southern African plants.” in: Mem. Bot. Surv. S. Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2).
2) 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” Cambridge University Press, 11/Aug./2011
3) Hammer, S. 1993. “The Genus Conophytum - A Conograph.” Succulent Plant Publications, Pretoria.
4) Hammer, S. 2002. “Dumpling and His Wife: New Views of the Genus Conophytum.” East Anglia Engraving Creative Colour Ltd, Norwich, England.
5) Ernst Van Jaarsveld, Ben-Erik Van Wyk, Gideon Smith “Succulents of South Africa: A Guide to the Regional Diversity” Tafelberg Publishers, Limited, 01/Jul/2000
6) Heidrun E.K. Hartmann “Illustrated Handbook of Succulent Plants: Aizoaceae A-E” Springer, 2002
7) Werner Rauh “The Wonderful World of Succulents: Cultivation and Description of Selected Succulent Plants Other Than Cacti” Smithsonian Institution Press, 1984
8) Gard. Chron., ser. 3 71: 231 (1922)
9) Cholo, F. & Raimondo, D. 2008. Conophytum jucundum (N.E.Br.) N.E.Br. subsp. jucundum. National Assessment: "Red List of South African Plants" version 2013.1. Accessed on 2014/02/04
Cultivation and Propagation: Conophytum jucundumSN|21957]]SN|21957]] is a "winter" grower which is most active from late winter until later spring and heading for summer dormancy, but in favourable growing conditions it keeps going over the summer too and doesn't need particular care. All the forms of Conophytum jucundumSN|21957]]SN|21957]] are relatively easy to grow.
Soil: Requires good drainage as it it is prone to root rot. It can grows outdoor in sunny, dry, rock crevices (protection against winter wet is required) It can also be cultivated in alpine house, in poor, drained soil.
Watering: It requires little water; otherwise its epidermis breaks (resulting in unsightly scars). Water minimally in summer, (only when the plant starts shrivelling), but it will generally grow even in summer if given water. Water regularly in winter after the previous year's leaves have dried up. Requires good drainage.
Fertilization: Feed it once during the growing season with a fertilizer specifically formulated for cactus succulents (poor in nitrogen), including all micro nutrients and trace elements diluted to ½ the strength recommended on the label. It thrives in poor soils and need a limited supplies of fertilizer to avoid the plants developing excess vegetation, which is easily attacked by fungal diseases.
Exposure: Keep cool and shaded in summer, it needs full sun or light shade.
Temperature: Hardy to -2°C. Ensure a very good ventilation.
Repotting: Avoid to repot frequently. This plant may stay in the same pot for many years.
Uses: Container, rock garden.
Pests and diseases: It is vulnerable to mealybugs and rarely scale.
Propagation: It can be reproduced both by cuttings and seeds. Take the cutting from a grown-up mother plant. Each cutting must contain one or more heads along with a fraction of root. It is easily propagated by seed. The small seeds can be sown in pots of fine, well-drained sand, any time during the spring and summer months when temperatures are warm. Cover the seeds with a very fine layer of grit and water from below with a fungicide to prevent damping off. For the first 3-4 days cover the pots with a sheet of glass/clear perspex to keep the humidity levels high. Remove the glass and replace it with light shadecloth and mist once or twice a day for the next two weeks after which most seeds should have germinated. From then on mistings can be reduced to every second and then every third day as the little plants grow.