Callianthemum in Flora of China @ efloras.org

32. Callianthemum C. A. Meyer, Fl. Altaic. 2: 336. 1830.

美花草属 mei hua cao shu

Fu Dezhi; Orbélia R. Robinson

Callianthemum alatavicum
Image
Credit: Tatyana Shulkina

Herbs perennial, glabrous. Rhizome present. Stems unbranched or branched. Leaves basal, subbasal, or cauline. Inflorescences terminal on stems or branches, 1-flowered. Flowers bisexual. Sepals 5. Petals 5--13, glandular striate, clawed. Stamens numerous; filaments lanceolate-linear; anthers ellipsoid to narrowly oblong. Pistils numerous; ovule 1 per ovary, pendulous. Fruit aggregate. Achenes ovoid to obovoid.

Twelve species: Asia, Europe; five species (two endemic) in China.

1 Leaves basal or subbasal. (2)

+ Leaves basal and cauline. (3)

2 (1) Sepals 8--11 mm; petals 5--6 mm wide 4 C. farreri

+ Sepals 3--6 mm; petals 1--2.5 mm wide 5 C. pimpinelloides

3 (1) Stems 17--30 cm tall; basal leaves fully expanded at anthesis 2 C. angustifolium

+ Stems 4--18 cm tall; basal leaves not fully expanded at anthesis. (4)

4 (3) Flowers 1.1--1.4 cm in diam. 5 C. pimpinelloides

+ Flowers 1.7--2.8 cm in diam. (5)

5 (4) Basal leaves 3.7--8.8 × 2.2--4.5 cm; petals 5--7 1 C. alatavicum

+ Basal leaves 1.8--2.5 × 1--2.2 cm; petals 9--13 3 C. taipaicum

Lower Taxa

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