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Published In: Die Natürlichen Pflanzenfamilien I(3): 1157. f. 816. 1909. (Nat. Pflanzenfam.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/31/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Eurhynchium arbuscula Broth. (Figs. 1–15.)
Map: Eurhynchium arbuscula Broth. (Distribution in China)

Distribution     (Last Modified On 5/5/2009)
Habitat: on rotten wood, rocks, and soil; alt. unknown.
Distribution: China and Japan.

Specimens Examined     (Last Modified On 5/5/2009)
Specimens Examined:
Chinese specimens examined: Hunan: Chang-sha Co., C. Gao 130 (IFSBH). Sichuan: M.-Z. Wang 50030 (PE); Ya-an Co., Q. Li 1615 (IFSBH). Xizang: Zhun-ba Co., M. Zang 1288 (HKAS). Yunnan: Xikang, Q.-W. Wang 6540 (PE). Zhejiang: West Tianmu, G.-C. Bi 63037 (PE).

Notes     (Last Modified On 5/5/2009)
general taxon notes:
Eurhynchium arbuscula is characterized by its dendroid plants and its broadly decurrent leaf bases. It has been treated as a species of Kindbergia (Ochyra 1982) or Stokesiella (Robinson 1967). It is treated here in the genus Eurhynchium, because it shares many features of the latter.


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2. Eurhynchium arbuscula Broth.   树状美喙藓   shu zhuang mei hui xian
Nat. Pflanzenfam. I(3): 1157. f. 816. 1909. Kindbergia arbuscula (Broth.) Ochyra, Lindbergia 8: 54. 1982. Stokesiella arbuscula (Broth.) H. Rob., Bryologist 70: 39. 1967. Type: Japan.
Kindbergia arbuscula var. acuminata (Takaki) Ochyra, Lindbergia 8: 54. 1982. Stokesiella arbuscula var. acuminata (Takaki) Takaki & Z. Iwats., J. Jap. Bot. 48: 217. 1973. Eurhynchium arbuscula var. acuminatum Takaki, J. Hattori Bot. Lab. 16: 30. 1956.
Plants large, pale green to dark green. Stems stout, dendroid, sparsely foliate, densely bi- to tri-pinnately branched. Stem and branch leaves sharply differentiated; stem leaves smaller, broadly ovate to semi-orbicular, 1.26–1.44 mm × 0.9–1.13 mm, shortly acute or apiculate at apex, somewhat plicate; margins serrulate, slightly recurved at base; costae slender, ending well below leaf apex; median leaf cells rhomboidal, 20–37 µm × 5–7 µm, with rounded ends; basal cells numerous, hyaline, lax, rounded-quadrate to hexagonal, in a distinct group; branch leaves usually triangularly ovate-lanceolate, 0.95–0.99 mm × 0.63–0.72 mm, abruptly, slenderly acuminate at apex, broadly decurrent at base, widest at insertion; margins serrulate; costae ending near leaf apex, projecting at tips; median leaf cells 20–25 µm × 6–7 µm. Dioicous. Perichaetial leaves lanceolate, ecostate. Setae 25–30 mm long, roughened, blackish when old; capsules horizontal, ovoid, constricted at neck; opercula long-rostrate; exostome teeth linear-lanceolate; endostome segments as long as teeth, perforate; basal membrane high, ca. 1/2 the segment height; cilia 2–3, nodulose. Spores 12–15 µm in diameter, smooth.
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