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Published In: Hedwigia 46: 310. 1907. (Hedwigia) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 2/27/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Warnstorfia exannulata (Schimp.) Loeske (Figs. 1–9.)
Map: Warnstorfia exannulata (Schimp.) Loeske (Distribution in China)

Distribution     (Last Modified On 5/5/2009)


Habitat: in bogs; alt. 2290–4100 m.
Distribution: China, Japan, India, Nepal, Caucasus, Greenland, Europe, North America, New Zealand, and North Africa.

Specimens Examined     (Last Modified On 5/5/2009)
Specimens Examined:


Chinese specimens examined: Chongqing: Nan-chuan Co., M.-Z. Wang 860602 (MO, PE). Guizhou: Mao-lan Co., C.-H. Zhang 1397 (IFSBH). Heilongjiang: Harbin City, Anonymous 1178 (IFSBH); Ning-an Co., C. Gao & M.-X. Nan 9307, C. Gao & T. Cao 40193 (both in IFSBH); Yichun City, S.-E. Liu 7796, C. Gao 333 (both in IFSBH); Xiao Xing An Ling (Mt.), C. Gao 306 (MO), 3825 (IFSBH). Jilin: Mt. Changbai, T. Cao & B.-Y. Yan 411 (IFSBH). Nei Mongol: Aershan City, C. Gao 3014, 3030 (both in IFSBH); Da Xing An Ling (Mt.), P.-C. Chen & C. Gao 922, 90214 (both in IFSBH); Gen-he, C. Gao 13010 (MO), C. Gao 1021, H.-F. Xie 931 (both in IFSBH). Qinghai: Hu-zhu Co., Long 27251 (E). Sichuan: Emei Co., Allen 6558 (MO); Song-pan Co., Allen 7111 (MO). Xinjiang: Qing-he Co., R.-C. Qin 1411 (PE); Ürümqi City, J.-C. Zhao 93096 (IFSBH). Yunnan: Gong-shan Co., Shevock 23311, 23335, 23409 (all in CAS, MO), M. Zang 4752 (HKAS), Q.-W. Wang 6934, 7145 (both in PE); Shangri-la Co., Handel-Mazzetti 7827 (S), Long 24322 (E).

Notes     (Last Modified On 5/5/2009)
general taxon notes:


Warnstorfia exannulata is characterized by its distinctly differentiated alar cells forming an obvious auricle, and its nearly percurrent or shortly excurrent costae.


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1. Warnstorfia exannulata (Schimp.) Loeske   范氏藓   fan shi xian  
Hedwigia 46: 310. 1907. Amblystegium exannulatum (Schimp.) De Not., Atti Univ. Geneova 1: 142. 1869. Harpidium exannulatum (Schimp.) C. E. O. Jensen, Meddel. Groenland 3: 324. 1887. Drepanocladus exannulatus (Schimp.) Warnst., Beih. Bot. Centralbl. 13: 405. 1903. Hypnum exannulatum Schimp. in B.S.G., Bryol. Eur. 6: 110. 1854. Type: Germany.
Drepanocladus exannulatus fo. angustissimus Mönk., Laubm. Eur. 784, fig. 185, c. 1927.
Drepanocladus exannulatus var. angustissimus Mönk. in Herz., Bot. Jahrb. Syst. 47: 489. 1912, nom. nud.
Plants large, green, yellowish brown, or purple, in densely caespitose mats. Stems prostrate or ascending, to ca. 25 cm long, regularly or irregularly pinnately branched, branches usually secund, curved, rarely straight at tips; stem nearly rounded in cross section; cortical cells small, rounded-hexagonal, thin-walled, epidermal cells small, thick-walled or hyaline, inflated; central strand weakly differentiated. Leaves polymorphous, usually falcate-secund, ovate-lanceolate, 1.5–3.0 mm × 0.4–1.0 mm, sometimes plane, involute at apex; margins nearly entire or serrulate above; costae strong, 60–100 mm wide at base, subpercurrent, sometimes shortly excurrent; median leaf cells linear, 25–55 mm × 3.5–8.0 mm; alar cells often forming an obvious auricle, extending close to costa at leaf base, usually quadrate or rectangular, large, hyaline, thin-walled, or brownish, thick-walled, grouped in 1–2 rows at base. Dioicous. Setae 30–70 mm long, capsules 2–3 mm long; cilia 2–3. Spores 12–18 mm in diameter, papillose.
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