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FOC | Family List | FOC Vol. 17 | Verbenaceae | Clerodendrum

1. Clerodendrum indicum (Linnaeus) Kuntze, Revis. Gen. Pl. 2: 506. 1891.

长管大青 chang guan da qing

Siphonanthus indica Linnaeus, Sp. Pl. 1: 109. 1753; Clerodendrum siphonanthus R. Brown.

Subshrubs to shrubs 1-2 m tall. Branchlets purple to purplish, channeled, smooth. Leaves whorled with 3-5 per node or opposite, sessile or subsessile, with nodal hairs at petiole base; leaf blade narrowly lanceolate to oblong-lanceolate, 10-21 X 1.3-2.5 cm, membranous, glabrous, base attenuate, margin entire or sinuate, apex short acuminate; midvein prominent, veins 10-12 pairs. Inflorescences terminal leafy thyrses, 20-45 X 10-15 cm; cymes red, few flowered; peduncle to 3 cm; bracts linear-lanceolate to lanceolate, 1-2 cm; bractlets awl-shaped. Calyx 1-1.5 cm, divided 3/4 to base, densely minute round glandular; lobes ovate-lanceolate, 8-15 X 3-6 mm, apex acute. Corolla white, becoming cream colored; tube funnelform, curved, 5-9 cm; lobes spreading, lanceolate, elliptic, or ovate-oblong, 8-15 3-6 mm, apex obtuse. Stamens long exserted. Ovary glabrous. Style longer than stamens. Fruiting calyx crimson, to 3.8 cm in diam., leathery. Drupes dark blue, ca. 1.2 cm in diam., 2-4-lobed depending on number of pyrenes. Fl. and fr. Aug-Nov.

Roadsides on mountain slopes; 500-1000 m. Guangdong, Yunnan [Bhutan, Cambodia, India, Laos, Malaysia, Myanmar, Nepal, Thailand]

Medicinal, ornamental.


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