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FOC | Family List | FOC Vol. 13 | Onagraceae | Circaea

7a. Circaea alpina subsp. caulescens (Komarov) Tatewaki, Veg. Shikotan Is. 44. 1940.

深山露珠草 shen shan lu zhu cao

Circaea alpina var. caulescens Komarov, Fl. Manshur. 3: 99. 1905; C. alpina var. pilosula (H. Hara) H. Hara; C. caucasica A. K. Skvortsov; C. caulescens (Komarov) Nakai ex H. Hara; C. caulescens var. pilosula H. Hara; C. caulescens var. robusta Nakai ex H. Hara; C. ×dubia H. Hara var. makinoi H. Hara.

Plants 5-35 cm tall. Stem pubescent. Leaves opaque, ovate to broadly ovate to nearly deltoid, 1.2-4.5 × 0.6-3.5 cm, base rounded to truncate or cordate, margin shallowly to prominently dentate, apex acute to shortly acuminate. Inflorescence glabrous or rarely with sparse glandular hairs; pedicels ascending or diverging perpendicular to axis of raceme at anthesis, glabrous, with a minute bracteole at base or more commonly bracteole absent and represented by a short glandular process; flowers opening during or after elongation of raceme and ± widely spaced. Buds glabrous; ovary with uncinate hairs at anthesis; floral tube 0.2-0.4 mm. Sepals narrowly to broadly ovate or oblong-ovate, apex rounded to obtuse or rarely minutely mammiform. Petals white or pink, obovate to depressed-obovate or obdeltoid, apical notch 1/3-1/2 length of petal; petal lobes rounded. Uncinate hairs of fruit unpigmented. Fl. Jun-Sep, fr. Jul-Sep. 2n = 22.

Moist places, on moss-covered rocks and logs and in drier soils in cool-temperate deciduous and mixed forests and lower part of boreal forests; near sea level to 1500 m. Anhui, Hebei, Heilongjiang, Jilin, Liaoning, Shandong, Shanxi [Japan, Korea, Mongolia, Russia (Far East, also disjunct on S shore of Lake Baikal and in Altay mountains); SW Asia (Caucasus)].


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