Calystegia hederacea

Nomenclature

Accepted name/Authority/Place of publication: 

Calystegia hederacea Wall. in Roxb., Fl. Ind. 2: 94. 1824.

Synonyms: 

Calystegia abyssinica Engler

C. acetosifolia (Turczaninow) Turczaninow

C. hederacea Wall. var. elongata Liou & Ling

Convolvulus acetosifolius Turczaninow

Volvulus hederaceus (Wall.) Kuntze

C. calystegioides Choisy

C. wallichianus Spreng.

Description

Habit: 
Plants glabrous. Stems erect when young, later shoots prostrate or twining, to 1 m long.
Leaves: 
Petiole 1–5 cm; leaf blade sagittate, triangular to narrowly triangular, 2–8 × 2–7 cm including lobes; lobes abruptly spreading, with 2(or 3) acute angles, sinus with divergent sides.
Inflorescences: 
Lower peduncles exceeding leaves, upper peduncles shorter; bracteoles ± ovate, 7–14(–18) × (4–)6–10(–12) mm, flat, apex acute to ± obtuse.
Flowers: 
Corolla pale pink or occasionally whitish or purplish, 2–3.5 cm. Stamens 1.1–1.6(–1.9) cm; anthers 3–4 mm.
Author: 
Brummitt, R.K.
References: 

Brummitt, R.K. in Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 286–289.

Cytology

Author: 
Brummitt, R.K.
References: 

Brummitt, R.K. in Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 286–289.

Biogeography, Ecology and Natural History

Distribution: 

China (Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xinjiang, Yunnan, Zhejiang) Afghanistan, India, Japan (Honshu, Shikoku, Kyushu; introduced in Ryukyu Islands Islands), Korea, Malaysia, Mongolia, Myanmar, Nepal, Pakistan, Russia, Tajikistan; NE Africa, rarely introduced in North America.

Ecology: 

Fields,
wasteland, roadsides, river banks, often on sandy soils; 100–3500 m. 

Phenology: 

Flw. Mar-Sep, frt. Jun-Sep.

Author: 
Brummitt, R.K.
References: 

Brummitt, R.K. in Fang R.C., G. Staples, et al. 1995. Convolvulaceae in P. Raven & C.Y. Wu (eds.) Flora of China 16: 286–289.

Other information

Common names and uses: 
da wan hua (Chinese).
General comments: 

Only
one collection has ever been made in Africa, from Ethiopia, and I have seen
only 2 or 3 collections from North America. Actually, Calystegia pubescens Lindley is more common as an introduction in
North America, where it has often been misidentified as Calystegia hederacea. 

Authorship for webpage

Editor: 
George Staples, Esmond Er
Contributors: 
Classification: 
Calystegia hederacea
Thu, 2011-09-15 06:20 -- Esmond
http://www.gravatar.com/avatar/23fae7ceaa50619ce7ef9c7d4922f7b2.jpg?d=https%3A//convolvulaceae.myspecies.info/sites/all/modules/contrib/gravatar/avatar.png&s=100&r=G

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