Tropicos | Name - !Polytrichastrum formosum (Hedw.) G.L. Sm.

China > Polytrichaceae > Polytrichastrum > Polytrichastrum formosum

Choose Project down

English

!Polytrichastrum formosum (Hedw.) G.L. Sm.

Search in Muséum national d'Histoire naturelle

Search in Type Specimen Register of the U.S. National Herbarium

Search in African Plants Database at Geneva Botanical Garden

African Plants, Senckenberg Photo Gallery

Project Name Data (Last Modified On 4/3/2009)

Acceptance : Accepted

Project Data (Last Modified On 5/7/2009)

General Reference:

Wu, P.-C., M. R. Crosby & S. He. 2005. Sematophyllaceae–Polytrichaceae. 8: viii + 385 pp. In Moss Fl. China. Science Press & Missouri Botanical Garden, Beijing, New York & St. Louis.

Illustration & Distribution Map (Last Modified On 5/7/2009)

Illustrations:

Polytrichastrum formosum (Hedw.) G.L. Sm. (Figs. 8–14.)

Map:

Polytrichastrum formosum (Hedw.) G.L. Sm. (Distribution in China)

Ecology & World Range (Last Modified On 5/7/2009)

Habitat & Distribution:

Habitat: on alpine and subalpine forest ground; alt. 2700–3800 m.

Distribution: China, Himalayas, Japan, Russia, Europe, North America, and North Africa.

Specimens Info (Last Modified On 5/7/2009)

Specimens Examined:

Chinese specimens examined: Chongqing: Nan-chuan Co., K.-J. Guan 262 (PE). Guangdong: Jiao-ling Co., L. Deng 11577 (MO); Mt. Dinghu, H. Wu B260 (MO). Guizhou: Lei-shan Co., Crosby 15639 (MO); Mt. Fanjing, Crosby 15772, 15784 (both in MO). Hubei: Mt. Shennongjia, 1980 Sino-Amer. Exped. 1461a (MO). Jiangxi: Mt. Lushan, P.-C. Chen et al. 8059, 8063 (both in MO). Sichuan: Bao-xin Co., S.-Y. Hu 19 (PE); Mu-li Co., Nonglin Exped. Team 391 (PE); Xiang-cheng Co., S. He 31778 (MO, PE). Taiwan: Chia-yi Co., C.-C. Chuang 6412 (MO), Koponen 17320 (MO), M.-J. Lai 10069 (MO); Ilan Co., Shevock 18225 (CAS, MO), T.-I. Yang 008 (MO); Miao-li Co., Shevock 14371 (CAS, MO). Xizang: Cha-yu Co., C.-W. Wang 6138 (PE). Yunnan: Wei-xi Co., C.-W. Wang 4226, 4283, 4466 (all in PE).

Notes (Last Modified On 5/7/2009)

general taxon notes:

The var. formosum differs from var. densifolium (Hedw.) Iwats. & Nog. by having dioicous condition, lower lamellae, and entire apical cells of the lamellae.

Export To PDF

Export To Word

3. Polytrichastrum formosum (Hedw.) G. L. Smith 大拟金发藓 da ni jin fa xian

Mem. New York Bot. Gard. 21(3): 37. 1971. Pogonatum formosum (Hedw.) P. Beauv., Mém. Soc. Linn. Paris 1: 461. 1823. Polytrichum formosum Hedw., Sp. Musc. Frond. 92. Pl. 19. f. 1a. 1801. Type: Europe. Sudeten.

3a. Polytrichastrum formosum var. formosum 大拟金发藓原变种 da ni jin fa xian yuan bian zhong

Polytrichum commune var. attenuatum (Menz. ex Brid.) Hook. & Tayl., Muscol. Brit. 26. 1818. Polytrichum attenuatum Menz. ex Brid., J. Bot. (Schrader) 1800(2): 286. 1801.

Polytrichum formosum var. intersedens (Card.) Osada, J. Jap. Bot. 41: 81. 1966. Polytrichum intersedens Card., Bull. Soc. Bot. Genève, ser. 2, 1: 130. 1909.

Polytrichum pallidisetum auct. non Funck, Crypt. Gew. Fichtelgeb. 3: 55. 1802.

Plants medium-sized to large, mostly 5–10(–15) cm long. Stems usually simple, erect. Leaves densely crowded or appressed when dry, erect or erect-spreading when moist; lower leaves scale-like; upper leaves 6–10 mm long, narrowly lanceolate, with a broad sheathing base; ventral lamellae in 35–65 rows, 4–6 cells high; apical cells of lamellae arching, lumen rather large, similar to the lower ones, thin-walled; leaf margins sharply toothed; costa broad, ending in the apex, extending into a filiform acumen, often spinose on back; median leaf cells rounded ovate to rounded quadrate, 8.5–10 µm wide, sometimes oblate; cells at sheathing base narrowly rectangular, 65–85 µm × 7–10 µm. Dioicous. Setae slender, 2–5 cm long; capsules with 4 obtuse keels, exserted, apophyses small, indistinct; epiphragm fleshy; opercula with a short beak; annuli differentiated; peristome teeth 64, ca. 20–25 µm long. Calyptrae cucullate, densely covered with golden cilia or hairs. Spores spherical, (10–)13–16 µm in diameter, verrucose.