Nomenclature
Accepted name/Authority/Place of publication:
Ipomoea wangii C. Y. Wu, Yunnan Redai Yaredai Zhiwu Quxi Yanjiu Baogao (Rept. Stud. Pl. Trop. Subtrop. Yunnan) 1: 118. 1965.
Description
Habit:
Twining herbs, climbing, glabrous. Stems terete, thinly angular; stems to 10 m tall.
Leaves:
Petiole 4.5–9 cm; leaf blade circular-cordate, 6–14 × 4–10 cm, base narrowly cordate, entire, apex abruptly acuminate; lateral veins 6 or 7 pairs, arcuate ascendent.
Inflorescences:
Inflorescences few flowered; peduncle 1–2 cm. Pedicel 2–3 cm, thickened apically.
Flowers:
Sepals narrowly ovate, unequal, glabrous; outer sepals 1.5–1.7 × 1–1.2 cm, apex rounded-obtuse; inner sepals 1.7–1.9 cm, apex acute. Corolla funnelform, ca. 7.7 cm, glabrous. Stamens included. Pistil included; ovary glabrous; stigma 2-lobed.
Fruits:
Capsule (immature) ovoid-conical, 17–19 by 10 mm, glabrous, dark brown, apex tapering into style base (apiculate?).
Seeds:
Seeds (immature) oblong-trigonous, 7–8 by 3–4 mm, sides brown velvety hairy, angles yellowish hirsute with wavy, 10 mm long hairs.
References:
Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.
Staples, G. 2010. Convolvulaceae. Fl. Thailand 10(3): 330–468.
Biogeography, Ecology and Natural History
Distribution Map:
Distribution:
China (Yunnan), Thailand, Myanmar.
Ecology:
Thickets,
waysides; ca. 600–1250
m.
Phenology:
Flowering: September, November, December; fruiting: September, November.
References:
Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.
Staples, G. 2010. Convolvulaceae. Fl. Thailand 10(3): 330–468.
Other information
Common names and uses:
da e shan tu gua (Chinese).
Authorship for webpage
Editor:
George Staples, Esmond Er
Contributors:
Classification:
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