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FOC | Family List | FOC Vol. 18 | Scrophulariaceae | Pterygiella

3. Pterygiella cylindrica P. C. Tsoong, Fl. Reipubl. Popularis Sin. 68: 419. 1963.

圆茎翅茎草 yuan jing chi jing cao

Annuals, 25-60 cm tall, densely hairy. Stems usually 1, terete, unribbed and wingless, 2-2.5 mm in diam., densely with grayish yellow-brown straight hairs, often apically branched. Leaves subsessile; leaf blade linear to linear-lanceolate, 2.5-3.5 cm X ca. 4 mm, subleathery, with gray-brown appressed fine hairs, margin revolute and entire or subundulate; veins 3, abaxially raised, adaxially impressed. Racemes to 12 cm; bracts yellow-brown pubescent. Pedicel ca. 3 mm. Calyx 1.3-1.6 cm X ca. 8 mm, herbaceous, densely pubescent; lobes triangular-ovate, 1/3-1/2 as long as tube, apex acuminate. Corolla yellow, 1.2-1.5 cm, included in calyx, sparsely pubescent; lower lip as long as or slightly shorter than upper lip; lobes ovate-oblong, ca. 1.5 mm, yellow-brown hirsute. Style ca. 8 mm; stigma ovate. Capsule ovoid-globose, ca. 8 mm. Fl. Sep-Oct, fr. Oct-Nov.

* Grassland, mountain slopes; 1800-2100 m. Sichuan (Muli Zangzu Zizhixian), Yunnan.


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