Details of genus: Petrocosmea [2592]
genus_ja:
genus_en:
# spp.:
pub_year:
accepted:
Family: Gesneriaceae
family_ja: イワタバコ
Infra familial classification:
distribution_en:
description_en: Genus of about 30 species of evergreen perennials occurring on shady rocks in the mountains of Asia. They produce rosettes of variably shaped, usually lance-shaped to nearly rounded, felted leaves, and are grown for their 5-lobed, tubular to bell-shaped flowers produced in few-flowered, umbel-like clusters in spring. In frost-prone areas, grow in an alpine house or cold greenhouse. In frost-free climates, grow on a shady wall or in a rock crevice.
hardiness_en: Half hardy; may be hardy to -2°C (28°F) in a cold greenhouse.
cultivation_en:
propagation_en: Sow seed at 13-18°C (55-64°F) as soon as ripe. Take leaf cuttings in summer.
pests_en: Susceptible to slugs and snails, aphids, and whiteflies.
description_ja:
comment:
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Phylogenetic definition:
Update Information: Created: 2010-06-04 18:58; Updated: 2020-07-05 11:42
family:
| System | Accepted? | Scientific name | Japanese name | Infra-familial classification | # species | |
| APG4 | Gesneriaceae | イワタバコ科 | Show | |||
| PB2 | Gesneriaceae | イワタバコ科 | Show | |||
| PB3 | Gesneriaceae | イワタバコ科 | Show |