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FOC | Family List | FOC Vol. 4 | Salicaceae | Populus

65. Populus X jrtyschensis C. Y. Yang in C. Wang & S. L. Tung, Bull. Bot. Res., Harbin. 2(2): 112. 1982.

额河杨 e he yang

Trees; trunk irregularly furrowed at base; bark grayish; crown spreading. Branchlets yellowish brown, pilose, rarely glabrous, slightly angled. Petiole slightly compressed distally, ca. as long as blade, pilose or sometimes glabrous; leaf blade ovate, rhombic-ovate, or deltoid-ovate, 5-8 × 4-6 cm, adaxially greenish, both surfaces tomentulose along veins, base cuneate or broadly cuneate, rarely rounded or truncate, margin crenate-serrate, narrowly translucent at edge, apex acuminate or long acuminate. Male catkin 3-4 cm. Male flower: stamens 30-40; anthers purplish red. Female catkin 5-6 cm, 15-20-flowered; rachis pilose or rarely glabrous. Capsule ovoid, 2(or 3)-valved. Fl. May, fr. Jun.

* Along rivers. Xinjiang (Ertix He valley)


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