Ipomoea hirtifolia

Nomenclature

Accepted name/Authority/Place of publication: 

Ipomoea hirtifolia R. C. Fang & S. H. Huang, Fl. Xizang. 4: 28. 1985.

Description

Habit: 
Herbs, twining, with ± densely yellowish hirsute axial parts. Stems sparsely retrorse hirsute.
Leaves: 
Petiole 3–4 cm; leaf blade cordate, 4.5–5.5 × 3.5–4 cm, yellowish hirsute, apex acuminate.
Inflorescences: 
Inflorescences axillary, 1–5-flowered; peduncles ca. as long as petioles; bracts lanceolate, 7–10 mm. Pedicel ca. 1.5 cm.
Flowers: 
Sepals lanceolate-ovate, nearly equal, ca. 1.5 cm, abaxial surface sparsely hirsute, apex acuminate. Corolla reddish purple, funnelform, ca. 5 cm, glabrous outside. Stamens included, very short; filaments glabrous basally; anthers ellipsoid, ca. 4 mm. Disc ring-like. Pistil included; ovary conical, acuminate, 2-celled, 4-ovulate; style filiform; stigma 2-globose.
Fruits: 
Fruit unknown.
Author: 
Fang R.C. & G. Staples
References: 

Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.  

Biogeography, Ecology and Natural History

Distribution: 

China (Xizang). Endemic. 

Ecology: 

Growing
over shrubs in a valley; ca. 2100 m. 

Phenology: 

Flw. Jul.

Author: 
Fang R.C. & G. Staples
References: 

Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 271–325.  

Other information

Common names and uses: 
cu mao shu teng (Chinese).
General comments: 

Seemingly distinguished from other species of Ipomoea by the dense, yellowish hirsute indumentum on all vegetative parts and short glabrous filaments. The fruits of this species are as yet unknown, and when they are discovered it may prove that this is actually an Argyreia. A number of yellowish hirsute species of Argyreia with purple-red flowers are known from the Indian subcontinent and northern Myanmar that could well range into Xizang. Only further collections will illuminate the true generic relationships of this species.

Authorship for webpage

Editor: 
George Staples, Esmond Er
Contributors: 
Classification: 
Ipomoea hirtifolia
Wed, 2011-09-21 04:34 -- Esmond
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