Eragrostis pilosissima Link

Culm tufted. Blade about 7 cm long by 2 mm wide, covered with long silky hairs; ligule a fringe of hairs, about 0.8 mm long: Inflorescence a small open panicle, about 7 cm long. Spikelets about 11-flowered, about 5 mm long by l.l mm wide, oblanceolate; rachilla zigzag-shaped; glumes chartaceous, 1-nerved, lanceolate; the lower glume emarginate or obtuse at the apex, 0.8 mm long; the upper obtuse at the apex, about 1.2 mm long; lemma ovate, chartaceous, margins membranous, 3-nerved, about 1.8 mm long, mucronate, deciduous; palea oblanceolate, emarginate, 2-keeled, minutely ciliate along keels, about 1.6 mm long, persistent. Caryopsis ovate, about 0.8 mm long; embryo 1/2 the length of the caryopsis.

Perennial. Culms tufted, erect, slender and rigid, 30–40 cm tall, less than 2 mm in diam. Leaf sheaths densely pilose, usually shorter than internodes but longer than internodes at base; ligules a line of hairs, ca. 0.3 mm; leaf blades usually involute, 5–10 × 0.1–0.2 cm, densely pilose at both surfaces. Panicle lax, 4–10 × 2–5 cm; branch usually solitary, slender, glabrous in axils. Spikelets yellow, oblong, 3–7 × ca. 2 mm, 7–14-flowered. Glumes ovate-oblong, subequal, 1–1.5 mm, apex acute. Lemmas ovate-oblong, apex obtuse, lateral veins faint. Palea slightly shorter than lemma, slightly arc-shaped, along keels ciliolate, persistent or tardily deciduous. Stamens 3; anthers ca. 0.8 mm. Caryopsis furrowed on one side, bluntly triangular in section. Fl. and fr. Aug.

Distributed in Vietnam and China (Kwantung, Fukien).

Mountain slopes. Fujian, Guangdong, Hainan, Jiangxi, Taiwan [SE Asia].

Eragrostis makinoi Hack., Bull. Herb. Boiss. 7:725. 1899; Matsum., Ind. Pl. Japon. 2, 1: 54. 1905.

Eragrostis makinoi Hackel.

Tinh thảo nhiều lông (danh pháp khoa học: Eragrostis pilosissima) là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Link mô tả khoa học đầu tiên năm 1827.

多毛知风草（学名：Eragrostis pilosissima）为禾本科画眉草属下的一个种。