Colquhounia is a genus of six species of evergreen or semi-evergreen shrubs or subshrubs in the family Lamiaceae, native to the eastern Himalaya and southwestern China south to Thailand and Vietnam. They are shrubs growing to 1-3 m tall, rarely to 4 m. The aromatic leaves are 3-12 cm long and 1-6 cm broad, finely toothed and borne in opposite pairs on the square stems. The flowers are tubular, 2-lipped, and carried on terminal spikes. Pronunciation of the name might present problems to non-Scots; the surname of the botanical collector Sir Robert Colquhoun was pronounced 'co-hoon', if present-day Scottish usage is a guide. Species
CultivationThey need a sheltered position and well-drained soil in full sun. They may be cut down by frost in cold areas. Propagation is from cuttings in summer. External links
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