All Floras      Advanced Search
FOC Vol. 23 Page 366 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 23 | Carex

232. Carex neopolycephala Tang & F. T. Wang ex L. K. Dai, Acta Phytotax. Sin. 32: 175. 1994.

新多穗薹草 xin duo sui tai cao

Rhizome very short, ligneous. Culms densely tufted, 25-50 cm tall, obtusely trigonous, smooth, clothed with bladeless sheaths at base. Leaves many, nearly basal, shorter or slightly longer than culm, blades 3-8 mm wide, stiff, smooth on both surfaces, scabrous on upper margins, margins revolute; sheaths 3.5-8 cm, eventually splitting. Involucral bracts leaflike, surpassing subtending spikes, sheathed. Spikes numerous, usually 5-9 borne in an involucral bract sheath, sometimes ramose and disposed in a panicle, androgynous, female part and male part subequal or female part slightly longer, oblong or oblong-cylindric, sometimes narrowly ovate, 10-25 × ca. 5 mm, densely many flowered; lower peduncles slender, upper rather short. Female glumes pale yellow, ovate-lanceolate, ca. 4 mm, mem- branous, 1-3-veined, margins white hyaline, apex attenuate, mucronate or muticous. Utricles yellowish green, nearly horizontally patent or obliquely patent at maturity, shorter than or equaling glume, elliptic or ovate-elliptic, trigonous, ca. 3.5 mm, membranous, glabrous, 5-veined, 2 lateral veins distinct and others inconspicuous, base subrounded, estipitate, apex attenuate into a ± long beak, orifice shortly 2-toothed. Nutlets dark brown, tightly enveloped, broadly ovate, trigonous, ca. 1.2 mm, base estipitate; stigmas 3. Fl. and fr. Apr-May.

● Among rocks, ravines; 1300-2700 m. C Yunnan (Kunming).


1 Spikes numerous, 5-9 borne in an involucral bract sheath, sometimes ramose and disposed in a panicle; utricles with ± long beak, nearly horizontally patent at maturity.   232a var. neopolycephala
+ Spikes 10 or more, 1 to few borne in an involucral bract sheath, racemosely disposed; utricles with rather long beak, obliquely patent at maturity.   232b var. simplex

Lower Taxa


 

Flora of China @ efloras.org
Browse by
Volume
Family
Genera
Advanced Search


Flora of China Home


Checklist

 

 

 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |