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FOC | Family List | FOC Vol. 19 | Berberidaceae | Dysosma

4. Dysosma aurantiocaulis (Handel-Mazzetti) Hu, Bull. Fan Mem. Inst. Biol., Bot. 8: 37. 1937.

云南八角莲 yun nan ba jiao lian

Podophyllum aurantiocaule Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 61: 163. 1924; Dysosma furfuracea S. Y. Bao; D. mairei (Gagnepain) Hiroe; P. aurantiocaule subsp. furfuraceum (S. Y. Bao) J. M. H. Shaw; P. mairei Gagnepain; P. sikkimense R. Chatterjee & Mukerjee; P. sikkimense var. majus R. Chatterjee & Mukerjee.

Plants 30-50 cm tall. Rhizomes brown, short, stout, with numerous fibrous roots. Stems erect, pale stramineous, 3-5 mm in diam., angulate, glabrous. Leaves alternate; petiole of lower leaves 12-22 cm, petiole of upper leaves 3-7 cm, all petioles angulate; leaf blade abaxially pale green, adaxially deep green, suborbicular or reniform in gross outline, sharply diversiform, 7-8 × 13-15 cm, thinly papery, abaxially on veins scurfy squamulate, sometimes mixed pubescent, adaxially glabrous, 5-8-lobed, lobe margin scarcely inconspicuously serrulate. Inflorescence 2-5-fascicled flowers. Pedicel nutant, 3-6 cm, glabrous. Flowers attached far from base of blade, purple or pink. Sepals narrowly oblong, 10-12 × 4-5 mm, glabrous. Petals obovate or suborbicular, 1.4-1.6 × 1-1.2 cm, apex rounded. Stamens ca. 8 mm; filaments flat, shorter than anthers; apex of anther connective not prolonged. Pistil ca. 8 mm; ovary subglobose; style ca. 1 mm; stigma disciform, margin rugosely undulate. Berry pale green (immature), subglobose, ca. 8 mm in diam. Seeds numerous. Fl. May-Jun, fr. Jun-Aug.

● Deciduous broad-leaved forests; 2800-3000 m. Yunnan [?Myanmar].

Shaw (in Stearn, Gen. Epimedium, 299-306. 2002) recognized two subspecies of Podophyllum aurantiocaule, which he separated into subsp. aurantiocaule ("Leaf lobes long, obovate to lanceolate; sinuses deep, penetrating 1/2-2/3 of radius; flowers usually in petiole fork; anthers 5-7.5(-9) mm long") and subsp. furfuraceum ("Leaf lobes short, triangular, sinuses shallow penetrating 1/4-1/3 of radius; flowers borne on petiole; anthers 3.5-4.5 mm").


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