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
6.
Corispermum lhasaense Tsien & C.G.Ma in Kung & al., Acta Phytotax. Sin. 16(1): 119 (1978)
Lectotype
(Sukhorukov, designated here): CHINA, Xizang, Lhasa, the Sera Monastery, Liushahe river, in riverway of screes and grits, 3760 m a.s.l., 10 Sep 1960,
Fu Guo-Xun 658
(PE00024043! isolectotypes LE01013344! PE00540403! PE00540404!).
Description
.
Annual up to 20 cm, glabrescent. Leaves lanceolate, up to 3.0
x
0.3 cm long. Inflorescence dense, 3-5 cm long. Inflorescence elongated. Bracts oblong to ovoid, moderately recurved or sometimes appressed to the stem, completely cov
ering
the fruit. Fruit 3.8-4.7
x
3.0-3.5 mm, glabrous (sometimes with dark-brown tanniniferous cells), thick (0.75-0.85 mm) with well-developed wing 0.65-0.90 mm (especially large near the fruit apex; Fig.
36A
). Wing irregularly toothed, emarginate, triangular in cross-section. Pericarp without detachments from the seed coat. Sclereids in the medium fruit part consist of 1-3 cell layers orientated parallel to the fruit axis.
Figure 36.
SEM micrographs of
Corispermum
fruits:
A
C. lhasaense
B
C. lepidocarpum
C
C. gelidum
D
C. tibeticum
. Magnification: 30
x
.
Habitat.
Screes and sandy riverbeds, 3000-4000 m a.s.l.
Phenology.
Flowering: July-September; fruiting: August-October.
Distribution.
See Fig.
35
.
Specimens examined.
CHINA: Xizang:
Xigaze
Prefecture
: Gyangtse, Jul/Sep 1904,
H.J. Walton
s.n. (BM).
General distribution.
Endemic to South Tibet.