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Compatible with

Scientific name: Boea clarkeana Hemsl.
English name:
Vietnamese name:
Other name:


B. clarkeana is herbs, near stemless. Leaves basalà leaf blade ovate to broadly ovate, elliptic or obovate, ca. 2-10 x 1.4-7 cm, with white to gray or greenish apprised pubescent, lateral veins 5-7 pairs; petiole 3-10 cm long. Inflorescences cymes; peduncle 3-18 cm long, with gray puberulent; bracts broad ovate to narrowly ovate, ca. 4-9 mm long. Calyx 6-9 mm long, 5 lobed from middle; lobes ca 3-4 x 2-2.5 mm. Corolla white to blue or blue ưpurple, ca. 14-22 mm long, tube ca. 1-1.5 x 0.7-1 cm; adaxial lip 2 lobes, ca. 3 -5 mm long; abaxial lip 3 lobes, ca. 4-5 cm long. Filament 2, ca. 7 mm long, staminodes 2 or 3. Pistil 0.9-1.9 cm long; ovary 5-8 mm long, short brownish puberulent or glandular puberulent. Capsule ca. 1.8-4.5 cm long, 2 valves, spirally twisted. Seeds unappendaged.

It closes with Boea philippensis but differ as petiole ca. 3-10 cm long, calyx 5 lobed from middle, corolla ca. 14-22 mm long.

Voucher specimens were collected in Moc Chau district, Son La province and Mai Chau (Hoa Binh), deposited in the Herbarium of the Institute of Ecology and biological Resources, Hanoi, Vietnam (HN).


Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Lamiales
Familia: Gesneriaceae
Genus: Boea


BVN - BotanyVN - Botany Research and Development Group of Vietnam
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