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FOC | Family List | FOC Vol. 7 | Papaveraceae

5. Dicranostigma J. D. Hooker & Thomson, Fl. Ind. 1: 255. 1855.

秃疮花属 tu chuang hua shu

Authors: Mingli Zhang & Christopher Grey-Wilson

Herbs, annual or biennial, occasionally short-lived perennial, shortly pubescent or glabrous, yellow lactiferous. Roots narrowly fusiform. Stems terete, few to many branched. Basal leaves many in a rosette, petiolate, pinnatilobate, pinnatipartite, or bipinnatifid; lobes distant, margin undulate or serrate. Cauline leaves alternate, sessile, pinnatifid or with irregular large thick teeth. Flowers terminal, solitary or in few-flowered cymes, ebracteate. Pedicel slender, usually glabrous, ebracteate. Sepals 2, ovate or broadly ovate, glabrous or shortly pubescent, apically acuminate to shortly horned, or spatulate. Petals 4, yellow or orange, obovate or suborbicular. Stamens many; filaments filiform; anthers oblong, 2-celled, longitudinally divided, basifixed. Ovary 1-loculed, 2-carpellate, terete or narrowly so, pubescent or tuberculate; styles very short; stigmas capitate. Capsule terete or linear, shortly pubescent or glabrous, 2-valvate, splitting from apex nearly to base. Seeds many, usually ovoid, small, tessellate, not carunculate.

Three species: China, two in the Himalayas and adjacent areas, one in the Loess Plateau region; three species (two endemic) in China.

1 Capsule linear; calyx usually glabrous outside; ovary densely verrucose shortly pubescent.   3 D. leptopodum
+ Capsule cylindrical, slightly broader toward base; calyx pilose outside   (2)
2 (1) Plant 100-200 cm tall; stems glabrous, cauline leaves amplexicaul; capsules glabrous, 6-8 cm; ovary glabrous.   1 D. platycarpum
+ Plant 15-60 cm tall; stems shortly pubescent, cauline leaves not amplexicaul; capsules shortly pubescent, 5-6(-11) cm; ovary yellow pubescent.   2 D. lactucoides

Lower Taxa


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