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FOC | Family List | FOC Vol. 9 | Rosaceae | Sanguisorba

5. Sanguisorba diandra (J. D. Hooker) Nordborg, Opera Bot. 11(2): 60. 1966.

疏花地榆 shu hua di yu

Poterium diandrum J. D. Hooker, Fl. Brit. India 2: 362. 1878; Sanguisorba dissita T. T. Yü & C. L. Li.

Herbs perennial, 40–85 cm tall. Rootstock stout, terete. Stems glandular pubescent or glabrescent. Radical leaves: petiole glandular pubescent or glabrescent; leaf blade with 5–8 pairs of leaflets; petiolules 0.5–2 cm; leaflets alternate or subopposite, abaxially tinged green, adaxially green, ovate, elliptic, or long elliptic, 1–3 × 0.8–2.5 cm, abaxially sparsely pilose, adaxially glabrous, base cordate to truncate, margin obtusely or acutely incised serrate, apex rounded; middle cauline leaves: stipules falcate, margin incised serrate. Inflorescences capitate, lax after anthesis; bracts lanceolate, margin cilliate; flowers long pedicellate at base of inflorescence, gradually becoming subsessile toward apex. Hypanthium abaxially pilose. Sepals 4, tinged green. Stamens 2; filaments filiform, nearly equaling sepals. Style slender; stigma dilated, papillate, much branched. Fruiting hypanthium hardened, with 4 longitudinal, winged ribs; sepals persistent; style deciduous. Fl. and fr. Jun–Aug.

Forest margins, thickets, meadows on mountain slopes; 3200--3900 m. Xizang [Bhutan, ?N India (Uttar Pradesh), Nepal, Sikkim].


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