Eriocaulon sclerophyllum W. L. Ma

Leaves linear, 6--8 cm, 2--3 mm wide at middle, apex broadly obtuse, veins 12--15, inconspicuous. Scapes 1 or 2, to 22 cm, ca. 7-ribbed; sheath 3--4 cm; receptacle densely villous; heads globose, ca. 5 mm in diam., glaucous; involucral bracts reflexed, straw-colored, narrowly ovate, 2.3--2.5 × 1.3--1.6 mm, membranous, glabrous; floral bracts obovate to obovate-spatulate, abaxially white clavate hairy toward apex, hairs 2--4-celled. Male flowers: sepals 2--2.2 mm, abaxially densely hairy toward apex, basally connate, apex 3-cleft, posterior cleft oblanceolate to linear, smaller than others, lateral clefts boatlike to spatulate; petals 3, ovate, anterior one slightly larger than others, hairy, gland black; anthers black. Female flowers: sepals 2 or 3, free, pubescent abaxially and at margin, posterior one linear, 1--2 mm, sometimes reduced or absent, lateral ones boatlike, 2--2.2 mm; petals 3, posterior one shorter than others, fleshy, adaxially villous, gland black; ovary 3-loculed; style 3-cleft. Seeds ovoid, 0.6--0.7 mm; testa hexagonally reticulate, prickles 1 per cell, T-shaped. Fl. and fr. Apr.

* Damp soil in sunny places. NE Hainan (Wenchang Xian).

Eriocaulon sclerophyllum là một loài thực vật có hoa trong họ Eriocaulaceae. Loài này được W.L.Ma mô tả khoa học đầu tiên năm 1991.

硬叶谷精草（学名：Eriocaulon sclerophyllum）为谷精草科谷精草属下的一个种。