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FOC | Family List | FOC Vol. 7 | Papaveraceae | Dicranostigma

1. Dicranostigma platycarpum C. Y. Wu & H. Chuang, Acta Bot. Yunnan. 7: 87. 1985.

宽果秃疮花 kuan guo tu chuang hua

Herbs, 1-2 m tall. Root narrowly conical, 10-15 cm, upper part ca. 1.5 cm in diam. Stems erect, stout, glabrous, basally with dense withered residual leaf bases. Leaves glabrous with netted lateral veins, basal ones several pinnatifid, lobes distant, petiolate, petiolar base with inflated sheath. Lower cauline leaves sessile and almost amplexicaul, oblanceolate or narrowly oblanceolate, 20-27 × 8-14 cm, pinnatipartite, lobes 4-6 pairs, distant, bilaterally alternate, margin with irregular thick teeth. Upper cauline leaves broadly ovate, gradually smaller upward, basally amplexicaul, margin with irregular large thick acute to obtuse teeth, apex acuminate. Flowers 1-3. Pedicel ca. 7 cm, to 15 cm at fruiting, glabrous. Flower buds broadly ovoid to suborbicular, ca. 1.5 × 1 cm. Sepals cymbiform, broadly ovate, outside sparsely shortly pubescent, margin membranous on one side, apically acute and extending into spur ca. 1 cm. Petals yellow, obovate, 2-3 × 1.2-1.5 cm. Stamens many; filaments 6-10 mm; anthers oblong, ca. 2 mm. Ovary terete, 1-1.5 cm × 2-3 mm, apex acuminate, glabrous; styles ca. 1 mm; stigmas capitate, 2-divided. Capsule cylindrical, slightly broader toward base, 6-8 × 5-8 mm, glabrous, 2-valvate from apex nearly to base. Seeds ovoid, ca. 1 mm, tessellate. Fl. and fr. Jul-Sep.

● Alpine meadows, rock crevices at ditch sides; 3300-3500(-4000) m. S Xizang (Yadong), NW Yunnan (Lijiang, Zhongdian).


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