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FOC | Family List | FOC Vol. 18 | Gesneriaceae

24. Metabriggsia W. T. Wang, Guihaia. 3: 1. 1983.

单座苣苔属 dan zuo ju tai shu

Herbs, perennial, terrestrial, rhizomatous. Stems simple. Leaves few, along stem, opposite, unequal to subequal in a pair; leaf blade puberulent, base cuneate to subcordate. Inflorescences lax or dense, 3-12-flowered cymes axillary near stem apex; bracts 2, forming a globose involucre. Calyx actinomorphic, 5-lobed to 5-sect from base; segments equal. Corolla white to yellow, zygomorphic, inside glabrous; tube funnelform, somewhat gibbous abaxially, longer than limb, 1-1.5 cm in diam.; limb 2-lipped; adaxial lip 2-lobed; inconspicuous, much shorter than abaxial lip; abaxial lip 3-lobed, lobes subequal, apex rounded to truncate or acute. Stamens 2, adnate to abaxial side of corolla tube near middle, included; anthers basifixed, coherent at apex, thecae parallel, not confluent at apex, dehiscing longitudinally; connective not projecting; staminodes 2 or 3, adnate to adaxial side of corolla tube. Disc ringlike. Ovary linear, 1-loculed; placenta 1, parietal, projecting into locule, undivided. Stigma 1, terminal, depressed-globose or capitate, undivided. Capsule straight in relation to pedicel, linear, much longer than calyx, dehiscing loculicidally to base; valves 2, straight, not twisted. Seeds unappendaged.

* Two species: endemic to China.

1 Leaf blade oblique, ovate, base oblique, rounded to subcordate, abaxially greenish; calyx segments 1.5-2 mm wide; staminodes 3, central one ca. 1.5 mm, lateral two 9-10 mm   1 Metabriggsia ovalifolia
+ Leaf blade elliptic or oblong, base often slightly oblique, broadly cuneate to rounded, abaxially purple except midrib and lateral veins greenish; calyx segments 2.5-3.5 mm wide; staminodes 2, ca. 4 mm   2 Metabriggsia purpureotincta

Lower Taxa


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