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FOC | Family List | FOC Vol. 18 | Gesneriaceae

16. Beccarinda Kuntze, Revis. Gen. Pl. 2: 470. 1891.

横蒴苣苔属 heng shuo ju tai shu

Petrodoxa J. Anthony; Slackia Griffith.

Herbs, rarely subshrubs, perennial, epipetric or terrestrial, rhizomatous, stemless or simple stemmed. Leaves many, basal or on stem, equal to subequal in a pair; leaf blade strigose to villous or glabrescent, base cordate to cuneate. Inflorescences often umbel-like, lax, axillary, 1- to few-flowered cymes; bracts 2, opposite. Calyx actinomorphic, 5-sect from base; segments equal. Corolla blue-purple to red, zygomorphic, inside glabrous, outside oblique, campanulate, not swollen, shorter than to nearly equalling limb, 3-9 mm in diam.; limb 2-lipped; adaxial lip 2-lobed, distinctly shorter than abaxial lip; abaxial lip 3-lobed, lobes equal or central lobe longer, apex rounded to obtuse. Stamens 4, adnate to corolla near or slightly above base, included; anthers basifixed, all 4 coherent together, thecae subparallel, slightly divergent at base, confluent at apex, dehiscing poricidally; connective not projecting; staminode 1 or absent, adnate to adaxial side of corolla tube. Disc ringlike or inconspicuous. Ovary ovoid, 1-loculed; placentas 2, parietal, projecting inward, 2-cleft. Stigma 1, terminal, capitate, undivided. Capsule oblique in relation to pedicel, narrowly ovoid to very narrowly oblong, much longer than calyx, dehiscing loculicidally to base; valves 2, straight, not twisted. Seeds unappendaged.

About seven species: China, Myanmar, N Vietnam; five species in China.

1 Peduncle 1.2-4 cm; leaf blade 1-3.5 X 0.6-2.2 cm, margin crenulate-serrate to subentire; lateral veins 3 or 4 on each side of midrib; bracts 1-2 X ca. 0.5 mm; anthers ca. 0.5 mm; pistil sparsely puberulent; capsule 6-10 mm   5 Beccarinda minima
+ Peduncle (5-)7-17 cm; leaf blade 2.5-12 X 1.5-8.5 cm, margin crenate to dentate, denticulate, or serrate; lateral veins 4-6 on each side of midrib; bracts 2-6 X 2-5 mm; anthers 1.4-2.5 mm; pistil glabrous (unknown in B. paucisetulosa); capsule 1.5-2.7 cm (unknown in B. paucisetulosa).   (2)
2 (1) Plants with stems 12-20 cm, leaves crowded near stem apex; most of plant covered with purple-red hairs; leaf blade apex acute; bracts elliptic   4 Beccarinda erythrotricha
+ Plants stemless or with stems to 10 cm, leaves basal or alternate and spaced along stem; most of plant with whitish, yellowish, or brownish hairs; leaf blade apex acute to rounded; bracts ovate or broadly ovate.   (3)
3 (2) Leaf blade 2.5-4 X 3-3.5 cm, adaxially sparsely minutely bristly, abaxially minutely bristly along veins and margin; calyx segments outside sparsely villous; anthers ca. 2.5 mm   2 Beccarinda paucisetulosa
+ Leaf blade 3-12 X 1.5-8.5 cm, adaxially hirsute or strigose, abaxially less densely so; calyx segments outside pubescent or sparsely pubescent; anthers 1.4-1.5 mm.   (4)
4 (3) Leaf blade ovate to orbicular, base cordate, rarely rounded, whitish to brownish hirsute; plant with whitish to brownish hairs   1 Beccarinda tonkinensis
+ Leaf blade elliptic to ovate, base rounded to broadly cuneate, rarely subcordate, short strigose; plant with white or yellowish hairs   3 Beccarinda argentea

Lower Taxa


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