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FOC | Family List | FOC Vol. 23 | Carex

282. Carex scabrisacca Ohwi & T. S. Liu, J. Jap. Bot. 12: 655. 1936.

糙囊薹草 cao nang tai cao

Rhizome with long slender stolons. Culms 30-40 cm tall, sharply triquetrous, 1-leaved at middle. Leaves soft; basal sheaths slightly disintegrating into brownish fibers. Lowest involucral bract leaflike, surpassing culm, not sheathing. Spikes 3 or 4, congregate; terminal spike male, stramineous, 2-3 cm, shortly pedunculate; lateral spikes female, suberect, cylindric, 2-3 cm × 5-6 mm, subsessile. Female glumes pale, lanceolate-ovate, costa green, 3-veined, apex acuminate. Utricles opaque, longer than glume, ovate, slightly inflated, 3-5 mm, wholly scabrid with short hairs, with slender veins, apex suddenly contracted into a short beak, orifice minutely 2-toothed. Nutlets rhombic-ovoid, ca. 1.5 mm; stigmas 3.

● Jiangxi (Lushan).

Carex scabrisacca is known only from the type gathering. Owing to its scabrid pubescent utricles it is a clear-cut species in C. sect. Molliculae because all other species in this section have glabrous utricles.


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