Details of genus: Duvalia [1060]
genus_ja:
genus_en:
# spp.:
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accepted:
Family: Apocynaceae
family_ja: キョウチクトウ
Infra familial classification:
distribution_en:
description_en: Genus of about 19 species of prostrate or semi-erect, mainly leafless, clump-forming, perennial succulents from hilly lowlands of the Arabian Peninsula, E. Africa, and southern Africa. They have toothed stems, each with 4-6 blunt, warty ribs separated by transverse furrows. Star-shaped, stalked flowers have 5 fleshy lobes, recurved at the tips, and are solitary or produced in clusters at the base of the stems, from late spring to summer. In frost-prone areas, grow in a warm greenhouse; in warmer climates, grow outdoors with other succulents.
hardiness_en: Frost tender.
cultivation_en:
propagation_en: Sow seed at 21-24°C (70-75°F), or take stem cuttings from spring to summer.
pests_en: Susceptible to mealybugs and black rot.
description_ja:
comment:
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Phylogenetic definition:
Update Information: Created: 2007-12-06 12:51; Updated: 2020-07-05 11:41
family:
| System | Accepted? | Scientific name | Japanese name | Infra-familial classification | # species | |
| APG4 | Apocynaceae | キョウチクトウ科 | Show | |||
| PB2 | Asclepiadaceae | ガガイモ科 | Show | |||
| PB3 | Apocynaceae | キョウチクトウ科 | Show |