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Diphyscium chiapense subsp. unipapillosum (Deguchi) T.Y. Chiang & S.H. Lin Search in NYBG Virtual HerbariumSearch 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: Botanical Bulletin of Academia Sinica 42: 217. 2001. (Bot. Bull. Acad. Sin.) Name publication detail

Project Name Data (Last Modified On 4/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 4/3/2009)
General Reference:

Illustration & Map     (Last Modified On 4/3/2009)
Related Objects:
Illustrations: Magombo 2003 (fig. 4, A–G).

Click here for distribution map.

Map: Diphyscium chiapense subsp. unipapillosum (Deguchi) T.Y. Chiang & S.H. Lin (Distribution in China)

Distribution     (Last Modified On 4/3/2009)
Habitat: on soil or rocks, rarely on trunks; alt. 100–2600 m.
Distribution: China, Japan, and the Philippines.

Specimens Examined     (Last Modified On 4/3/2009)
Specimens Examined:
Chinese specimen examined: Taiwan: Nan-tou Co., T.-Y. Chiang 25316 (MO).

Notes     (Last Modified On 4/3/2009)
general taxon notes:
This subspecies is characterized by the dioicous sexuality, the small plants, and the unipapillose leaf cells.


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1. Diphyscium chiapense D. H. Norris subsp. unipapillosum (Deguchi) T.-Y. Chiang & S.-H. Lin   单疣短颈藓 变种   dan you duan jing xian bian zhong
Bot. Bull. Acad. Sin. 42: 217. 2001. Diphyscium unipapillosum Deguchi, J. Jap. Bot. 59: 97. 1984. Type: Japan. Pref. Kochi, Kamiyashiki, Nakamura-shi, Deguchi 24901 (holotype HIRO; isotype NY).
Diphyscium buckii B. C. Tan, Bryologist 93: 429. 1990.
Plants small to medium-sized, 5–15 mm high, in clumps or occasionally in scattered tufts. Stems simple or branched; central strand present. Leaves curled when dry, spreading when moist, 3–7 mm × 0.5–1.0 mm, oblong-lanceolate to ligulate or lingulate; apices rounded, rarely acute, mucronate to apiculate; leaf cells bistratose above the base, unistratose at extreme base; median leaf cells rounded quadrate, 4–12 µm in diameter, mammillose or unipapillose; basal cells rectangular, 15–60 µm × 5–13 µm, hyaline, smooth; leaf margins entire below to crenulate above, unistratose; costa percurrent to shortly excurrent, with dorsal and ventral stereid bands, sometimes stereid bands not distinctly differentiated. Axillary hairs 5–18 cells long. Dioicous. Male plants smaller than female plants. Perichaetia terminal on stems or branches. Perichaetial leaves lanceolate with an oblong or ovate base, costa excurrent, smooth or papillose; outer leaves 4–6 mm × 0.4–0.5 mm, margins entire at base, crenulate at apex; inner leaves 3–7 mm × 0.3–0.5 mm, margins entire at base, crenulate or dissected at apex. Setae very short, only to 0.3 mm long; capsules oblong-ovoid, obliquely asymmetric, 3–4 mm × 1–2 mm, abruptly narrowed at base and more or less at mouth; exothecial cells collenchymatous; stomata at mouth of capsules, superficial; annuli well differentiated, consisting of 1–3 rows of thick-walled cells, persistent or deciduous; opercula conic, ca. 0.5 mm long, obtuse; peristome present. Calyptrae cucullate, smooth. Spores spherical, 8–13 µm in diameter, papillose.
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