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Published In: Hedwigia 36(2): 114. 1897. (Hedwigia) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/30/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/30/2009)
General Reference:

Illustration & Map     (Last Modified On 3/30/2009)
Related Objects:
Illustrations: P.-C. Wu (ed.) 2001 (Pl. 79, figs. 1–11).
Click here for distribution map.
Map: Leptopterigynandrum austroalpinum Müll. Hal. (Distribution in China)

Distribution     (Last Modified On 3/30/2009)
Habitat: usually on trees or calcareous rock surfaces; alt. 2900–4500 m.
Distribution: China, Mongolia, Russia (Siberia), North and Centeral America.

Specimens Examined     (Last Modified On 3/30/2009)
Specimens Examined:
Chinese specimens examined: Qinghai: Yu-shu Co., B.-C. Tan 95-175, 95-202 (FH, MO). Sichuan: between Yanyuan and Huaping, Handel-Mazzetti 2338 (H); De-tuo Distr., X.-J. Li 81-1518 (HKAS); Mao-wen Co., Allen 7323H (MO); Song-pan Co., Allen 7077, 7086, 7286 (MO). Yunnan: between Lijiang and Yulong Mt. Handel-Mazzetti 8460 (H); Zhong-dian Co., Handel-Mazzetti 8053 (H).

Notes     (Last Modified On 3/30/2009)
general taxon notes:
The leaves of this species are similar to those of Leptopterigynandrum incurvatum Broth., but leaf bases of L. austro-alpinum are rather wide and nearly ovate-triangular and leaf cells wider and shorter. B. C. Tan and Y. Jia (1997) synonymized L. stricticaule Broth. under the current species. They also considered the Himalayan L. decolor (Mitt.) Buck to be a likely synonym of this species.


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1. Leptopterigynandrum austro-alpinum C. Müll. 叉羽藓 cha-yu xian
Hedwigia 36: 114. 1897. Type. Argentina: April 1872, Lorentz s.n.
Leptopterigynandrum stricticaule Broth., Akad. Wiss. Wien Sitzungsber., Math.-Naturwiss. Kl. Abt. 1, 133: 577. 1924. Types. China: Sichuan (Setschwan), Yen-yuen Co., Handel-Mazzetti 2338 (syntype H); Yunnan, Zhong-dien Co. (Chungtien), Piepun, Handel-Mazzetti 4550, 4760 (syntypes H).
Plants minute, rather rigid, yellowish green, dull, in dense, small mats. Stems slender, up to 5 cm long, creeping, nearly pinnately branched, ascendant, 2–5 mm long, mostly branched once. Leaves imbricate when dry, widely ovate at base, nearly lanceolate or acuminate toward apex, strongly secund, ca. 1.4 mm long; basal leaf margins slightly revolute, entire or nearly entire; costa double, short and weak, rarely up to the middle of leaf; leaf cells hexagonal or nearly quadrate, marginal cells smaller, basal angle cells small, quadrate or rounded-ovate, opaque, smooth. Sporophytes not seen.


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