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231. Salix shihtsuanensis C. Wang & C. Y. Yu, Fl. Tsinling. 1 (2): 598. 21. 1974.
石泉柳 shi quan liu
Shrubs or small trees, to 5(-8) m tall. Branchlets grayish brown or russet, downy when young, glabrescent. Buds russet, ovoid-ellipsoid, shiny. Petiole 3-6 mm, pubescent, glandular at apex; leaf blade elliptic-lanceolate, lanceolate, elliptic, or elliptic-oblong, 2.4-6.5 × 0.9-1.8 cm, abaxially pale pruinose, white downy along veins, adaxially green, downy along yellow midvein, base broadly cuneate, margin glandular serrate, apex acuminate. Male catkin unknown. Female catkin 2.5-3.2 cm; peduncle with 2 or 3 leaflets; rachis pubescent; bracts ovate, white villous. Female flower: ovary ovoid-cylindric or globose, pubescent or glabrous, shortly stipitate or sessile; style conspicuous; stigma 2- or 4-lobed. Capsule ovoid-oblong. Fl. May, fr. Jun.
* Mountain slopes, riverbanks, along streams, margins of woods, roadsides, valleys; 1000-1400 m. E and S Gansu, S Shaanxi.
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1 |
Leaf blade elliptic, rarely elliptic-oblong; ovary globose, densely pubescent; stigma 4-lobed |
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231b var. globosa |
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Leaf blade elliptic-lanceolate or lanceolate; ovary ovoid-oblong, downy, villous, or glabrous; stigma 2-cleft. |
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(2) |
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2 (1) |
Ovary densely villous, sessile; gland oblong |
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231c var. sessilis |
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Ovary downy or glabrous, shortly stipitate; gland thinly terete or large and broad. |
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(3) |
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3 (2) |
Ovary downy; gland thinly terete |
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231a var. shihtsuanensis |
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Ovary glabrous; gland large and broad |
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231d var. glabrata |
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Lower Taxa
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