13. Corispermum huanghoense C. P. Tsien & C. G. Ma, Acta Phytotax. Sin. 16(1): 118. 1978.
黄河虫实 huang he chong shi
Plants 10-20 cm tall. Stem erect, green, covered with stellate hairs, branched from base; lower branches ascending, upper ones obliquely spreading. Leaves green, striate, linear, 5-8 cm × ca. 1 mm, 1-veined, base attenuate, apex acuminate, mucronate. Spikelike inflorescence broadly elliptic or clavate, crowded, usually 1-3 cm; bracts lanceolate to ovate, 0.5-2.5 cm × 2.5-5 mm, 1-3-veined, hairy, base rounded or attenuate, margin narrowly membranous, apex acuminate, mucronate. Perianth segment usually 1, apex denticulate. Stamens usually 3, slightly exserted from perianth. Utricle dark punctate abaxially, elliptic or broadly so, 4.5-6 × 3-3.5 mm, covered with stellate hairs, base broadly cuneate, apex acute; wing ca. 2/3 as wide or nearly as wide as body, margin irregularly denticulate; beak 1.2-1.8 mm, apex 1/4-1/3 as long as beak. Fl. and fr. May-Jun.
* Dunes. NE Henan (Fengqiu, Kaifeng).
Corispermum huanghoense seems to be closely related to C. candelabrum.