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FOC | Family List | FOC Vol. 18 | Orobanchaceae

1. Cistanche Hoffmannsegg & Link, Fl. Port. 1: 319. 1809.

肉苁蓉属 rou cong rong shu

Herbs perennial. Stems fleshy, usually unbranched, rarely 2- or 3-branched. Inflorescences spicate; bract 1; bractlets 2, rarely absent. Calyx tubular or campanulate, apex (4 or)5-lobed, rarely 5-parted, lobes usually equal. Corolla tubular-campanulate or funnelform, apex 5-lobed; lobes subequal. Stamens 4, inserted in corolla tube; anthers 2-celled, all fertile, usually pubescent. Ovary 1-locular, parietal placentas 4, rarely 2 or 6. Style slender, persistent; stigma 2-lobed. Capsule ovoid-globose or globose, dehiscing by 2(or 3) valves. Seeds subglobose; testa reticulate.

About 20 species: Asia, Europe; five species in China.

1 Calyx campanulate, 4- or 5-parted, lobes linear or oblong-lanceolate, apex acuminate; corolla base villous adaxially.   (2)
+ Calyx tubular or campanulate, 5-lobed, lobes ovate or subrounded, apex obtuse, rarely acuminate; corolla base glabrous adaxially.   (3)
2 (1) Calyx 5-parted, lobes unequal; corolla lobes pale brown-yellow when dry   2 Cistanche lanzhouensis
+ Calyx 4-parted, lobes subequal; corolla lobes dark blue when dry   1 Cistanche sinensis
3 (1) Anther cells obtuse-rounded at base   3 Cistanche mongolica
+ Anther cells acuminate at base.   (4)
4 (3) Bracts subequalling corolla, linear-lanceolate or lanceolate; corolla brown when dry   4 Cistanche deserticola
+ Bracts ca. 1/2 as long as corolla, ovate-lanceolate; corolla yellow-white when dry   5 Cistanche salsa

Lower Taxa


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