Chiba University Matsudo/Kashiwa Campus Plant Database

Details of genus: Kohleria [2455]

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Family: Gesneriaceae

family_ja: イワタバコ

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description_en: Genus of about 50 species of usually erect, rhizomatous perennials and subshrubs from rainforest of tropical regions of North America, Central America, and South America. They are grown for their foxglove-like flowers, which are bell-shaped or tubular, flaring out into 5 rounded lobes, usually produced from the leaf axils singly, in pairs, or in pendent, umbel-like racemes. Elliptic-1ance-shaped to ovate leaves, opposite or in whorls of 3, are usually dark green, sometimes with silver markings, and have toothed or scalloped margins. All parts are hairy, including the flowers. In frost-prone climates, grow taller species in a warm greenhouse or conservatory; use compact species and cultivars as houseplants. In humid, tropical areas, grow in shaded sites in beds or borders.

hardiness_en: Frost tender.

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propagation_en: Divide in early spring.

pests_en: The growing tips may be infested by aphids. Rhizome rot may occur in winter if conditions are too moist, or in spring if replanted rhizomes are slow to start into growth.

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Update Information: Created: 2010-06-04 18:58; Updated: 2020-07-05 11:41

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