Chiba University Matsudo/Kashiwa Campus Plant Database

Details of genus: Thermopsis [1732]

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Family: Fabaceae

family_ja: マメ

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description_en: Genus of approximately 20 species of rhizomatous perennials from grassy mountainsides, light woodland, and streamsides in Siberia (Russia), N. India, E. Asia, and North America. They are cultivated for their attractive foliage and lupin-like flowers. Erect stems bear alternate, stalked, 3-palmate leaves, some silver-hairy, with persistent, leafy stipules; the similar basal leaves are produced in smaller numbers. Pea-like, yellow or purple flowers, with rounded standard petals and roughly equal-sized keel and wing petals, are borne in terminal or axillary racemes. Suitable for a mixed or herbaceous border, or a wild-flower garden; T. rhombifolia is invasive and best grown in a wild garden. The flowers arc attractive to bees.

hardiness_en: Fully hardy.

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propagation_en: Sow seed at 10-13°C (50-55°F) in spring, transplanting seedlings to their final position as soon as possible. Division is difficult, and divisions are very slow to re-establish.

pests_en: Slugs and aphids may be a problem.

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comment_ja: センダイハギ

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Update Information: Created: 2007-12-06 12:51; Updated: 2020-09-04 03:56

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