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Cyrto-hypnum gratum (P. Beauv.) W.R. Buck & H.A. Crum Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Contributions from the University of Michigan Herbarium 17: 65. 1990. (Contr. Univ. Michigan Herb.) 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. 96, figs. 1–13).
Click here for distribution map.
Map: Cyrto-hypnum gratum (P. Beauv.) W.R. Buck & H.A. Crum (Distribution in China)

Distribution     (Last Modified On 3/30/2009)
Habitat: on moist soil, calcareous rocks, rotten logs or tree trunks in forests; alt. 800–1200 m.
Distribution: China, Nepal, Burma, Thailand, Indonesia, Malaysia, Fiji, Samoa, Central and West Africa, and Madagascar.

Specimens Examined     (Last Modified On 3/30/2009)
Specimens Examined:
Chinese specimens examined: Yunnan: Xishuangbanna, W.-X. Xu 6556 (PE); Meng-la Co., Redfearn et al. 33795 (MO, NY, SMSU); Jing-hong Co., Redfearn 34294 (MO, NY, SMSU).

Notes     (Last Modified On 3/30/2009)
general taxon notes:
This species is characterized by having long ciliate stem leaf apices and by the papillosity of leaf cells, paraphyllia, and setae.


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4. Cyrto-hypnum gratum (P. Beauv.) Buck & Crum 密毛细羽藓 mi-mao xi-yu xian
Contr. Univ. Michigan Herb. 17: 65. 1990. Thuidium gratum (P. Beauv.) Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 256. 1878. Hypnum gratum P. Beauv., Prodr. Aethéogam. 64. 1805. Type. West Africa: Benin.
Cyrto-hypnum pelekinoides (P.-C. Chen) Buck & Crum, Contr. Univ. Michigan Herb. 17: 67. 1990. Thuidium pelekinoides P.-C. Chen, Sunyatsenia 6: 190. f. 23. 1941. Types. China: Hainan, Pepu (Bei-bo), C. Ho 1130b, 1131 (syntypes PE).
Plants delicate, medium-sized, up to 4 cm long, grayish green to yellowish green or dark green, becoming brownish when old, in small patches. Stems creeping, bipinnately branched; cortical cells 3–5 layers, central strand present; paraphyllia densely growing on stems and the base of branches, filamentous, rarely foliose, simple or branched, up to 8 cells long, apical cell truncate, pluripapillose. Stem leaves remote, suddenly narrowed from an ovate or triangular base to a lanceolate or narrowly lanceolate apex, 0.8–1.0 mm × ca. 0.6 mm; margins revolute or recurved, serrate or cellulose; costa single, consisting of 3–4 rows of narrow and thick-walled cells, papillose on back; leaf cells 7.5–10.0 µm, hexagonal to irregularly rectangular, with single acute or 2–4 fine papillae, walls equally thickened; branch leaves dense, appressed when dry, widely cordate to ovate-triangular, with a short, obtuse apex, rarely acute; marginal cells projected, round-toothed, finely papillose; costa reaching 2/3–4/5 the leaf length, papillose on back. Autoicous. Female inflorescences on stems, with 7–8 perichaetial leaves; inner perichaetial leaves oblong-ovate; costa broad, excurrent into a long awn; margins remotely crenulated, sometimes with 8–10 single celled, hyaline, cilia above. Setae ca. 1.0–1.5 cm long, lightly brownish, reddish when old, densely granulate; capsules ovoid to shortly cylindrical, ca. 0.5–1.2 mm long, horizontal or inclined; opercula 1 mm long; peristome teeth well developed, cilia 1–3, isolated or connected, sometimes rudimentary. Calyptrae cucullate, coarse at the apex. Spores 10–20 µm in diameter.


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