Taxonomic revision of Chenopodiaceae in Himalaya and Tibet
Author
Sukhorukov, Alexander P.
Author
Liu, Pei-Liang
Author
Kushunina, Maria
text
PhytoKeys
2019
116
1
141
http://dx.doi.org/10.3897/phytokeys.116.27301
journal article
http://dx.doi.org/10.3897/phytokeys.116.27301
1314-2003-116-1
182FFF91FFCDFF9CFF811552FFCCFFCF
2559703
5
.
Corispermum pseudofalcatum Tsien & C.G.Ma in Kung & al., Acta Phytotax. Sin. 16(1): 119 (1978)
Holotype.
CHINA, Xizang, vicinity of
Xigaze
(Rikaze), farmland edge, 3800 m a.s.l., [without exact date] 1960,
Fu Guo-Xun 789
(PE00934050!).
Description.
Annual to 20 cm, branched at base, (almost) glabrous. Leaves lanceolate, oblanceolate or oblong, 10.0-30.0
x
3.0-5.0 mm, continuously turning into imbricate bracts. Inflorescence elongated. Bracts lanceolate, appressed to the stem or obliquely orientated, not or slightly recurved, completely covering the fruit. Fruit 4.5-5.5 mm long, glabrous but with scattered warts and tanniniferous pigments, apically emarginate (Fig.
33F
), thick (0.7-1.0 mm). Wing clearly visible (0.70)0.90-1.40 mm, denticulate, narrowly triangular in cross-section. Pericarp detachments not detected. Sclereids in medium fruit part with 1-2 inner layers (orientated parallel to the fruit axis).
Habitat.
Screes and sandy riverbeds; 3000-4200 m a.s.l.
Phenology.
Flowering: July-September; fruiting: August-October.
Distribution.
This species is known only from the type locality (Fig.
35
). Both morphological and carpological characters as well as its record in South Tibet indicate its affinity to
C. lhasaense
.