Calystegia pellita
Nomenclature
Calystegia pellita (Ledeb.) G. Don, Gen Hist. 4: 296. 1837.
Description
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
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
China (Anhui, Hebei, Heilongjiang, Jiangsu, Jilin, Liaoning, ?Nei Mongol, Shandong), Korea, ?Mongolia, Russia.
Grassy
places, mountain slopes, sometimes a weed of cultivation; 300–700(–1700) m.
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
Chinese
floras recognize 3 subspecies, which can be distinguished by the following key.
1a.
Leaves 8–20 mm wide, 4–7 × as long as wide; major lateral veins 4–9 per side
3b. subsp. longifolia
1b.
Leaves 15–30 mm wide, 3–4 × as long as wide; major lateral veins 3–5 per side.
2a. Stems prostrate to weakly climbing; leaves mostly narrowly triangular,
base truncate to slightly hastate or weakly lobed 3a. subsp. pellita
2b. Stems ± erect; leaves broadly oblong, base truncate 3c. subsp. stricta