Overview

Distribution

Guangdong, Guangxi, Hainan, Yunnan [Indonesia, Malaysia, Philippines, Thailand, Vietnam].
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Physical Description

Morphology

Description

Lianas to 20 m. Branches grayish brown, lenticellate, glabrous; branchlets usually with 3--7 cm axillary simple tendrils. Petiole 7--10 mm; leaf blade ovate to elliptic, 6--17 X 3.5--7 cm, papery to leathery, glabrous and shiny, base obtuse to rounded, apex acute to acuminate, basal veins 3--5, reticulate veins present. Thyrses axillary, 2.5--3 cm, 10--20-flowered, minutely pubescent. Flowers fragrant, 5-merous. Calyx lobes ovate, ca. 1 mm, outside pubescent. Corolla yellowish, salverform, 1.5--1.7 cm, papillose; tube outside glabrous, inside with long woolly hairs basally, ca. 3 X as long as lobes; lobes oblong to elliptic, 4--5 mm, apex slightly thickened. Stamens inserted at corolla mouth; filaments very short; anthers oblong, 1.2--1.8 mm, glabrous, base shallowly 2-cleft, connectives apiculate at apex. Pistil ca. 1.5 cm. Ovary ovoid, ca. 1 mm. Style ca. 1.4 cm; stigma capitate. Berries orange when ripe, globose, 4--10 cm in diam.; pericarp to 5 mm thick, hard, woody, smooth, glabrous; 1--15-seeded. Seeds ovate, flat, 2--2.5 X 1.5--1.8 cm, with sericeous hairs. Fl. Apr-Jun.
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Diagnostic Description

Synonym

Ignatia amara Linnaeus f.; Ignatiana philippinica Loureiro; Strychnos hainanensis Merrill & Chun; S. ovalifolia Wallich ex G. Don.
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Type Information

Isotype for Strychnos hainanensis Merr. & Chun
Catalog Number: US 1669501
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): F. How
Year Collected: 1933
Locality: Hainan, Ngai Yuen., Hainan, China, Asia-Temperate
Elevation (m): 550 to 550
  • Isotype: Merrill, E. D. & Chun, W. Y. 1935. Sunyatsenia. 2 (3-4): 306.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Ecology

Habitat

Open woodlands on limestone, scrub, sometimes along river banks; 400--800 m.
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Notes

Comments

Medicinal.
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