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FOC | Family List | FOC Vol. 19 | Acanthaceae

33. Andrographis Wallich ex Nees in Wallich, Pl. Asiat. Rar. 3: 77, 116. 1832.

穿心莲属 chuan xin lian shu

Authors: Jia-qi Hu & Thomas F. Daniel

Haplanthoides H. W. Li; Haplanthus Nees.

Herbs or subshrubs, with cystoliths. Leaf blade margin entire. Inflorescences terminal or axillary, panicles, racemes, or sometimes spikes or dense clusters; bracts present; bracteoles small [or absent]. Calyx deeply 5-lobed; lobes narrow, equal or subequal. Corolla tubular to funnelform at base; limb 2-liped; lower lip 3-lobed; upper lip entire or 2-lobed; lobes ascending cochlear in bud. Stamens 2, exserted from or included in corolla tube; filaments sometimes pubescent; anthers 2-thecous; thecae parallel, equal or subequal, base muticous and conspicuously pubescent. Capsule linear-oblong or ellipsoid, compressed perpendicular to septum, [6-]12-20-seeded; retinacula present. Seeds subglobose, ± blocky, or ± compressed, surfaces smooth or ornamented, lacking trichomes.

About 20 species: tropical and subtropical Asia; two species (one introduced) in China.

1 Leaf blade lanceolate to oblong-lanceolate; corolla deeply and prominently 2-lipped, lips divergent (i.e., upper lip ± perpendicular or oblique to tube and lower lip); stamens exserted from corolla tube.   1 A. paniculata
+ Leaf blade ovate; corolla shallowly and inconspicuously 2-lipped, lips not divergent (i.e., lips ± parallel to one another); stamens included in corolla tube.   2 A. laxiflora

Lower Taxa


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