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Published In: Bryologia Javanica 2: 25. 149. 1861. (Bryol. Jav.) Name publication detail
 

Project Name Data (Last Modified On 3/20/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/20/2009)
General Reference:

Illustration & Map     (Last Modified On 3/20/2009)
Related Objects:
Illustrations: P.-J. Lin & B. C. Tan 1995 (Fig. 31, A–E).
 

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Map: Distichophyllum mittenii Bosch & Sande Lac. (Distribution in China)

Distribution     (Last Modified On 3/20/2009)
Distribution:
Habitat: on rocks and decaying logs in shady places; alt. 1000–1650 m.
Distribution: China, Japan, Sri Lanka, Thailand, Kampuchea, Vietnam, Malaysia, Indonesia, Kalimantan, the Philippines, and New Guinea.
 

Specimens Examined     (Last Modified On 3/20/2009)
Specimens Examined:
Chinese specimens examined: Hainan: Mt. Diaolu, P.-J. Lin et al. 2710, 2898, 3516 (FH, IBSC); Mt. Jianfengling, L. Zhang 1546 (IBSC), P.-C. Chen et al. 215 (FH, IBSC, MO). Taiwan: Nan-tou Co., M.-J. Lai 2692 (IBSC, MO). Xizang: Mo-tuo Co., Y.-G. Su 3167, 3189 (FH, IBSC).
 

Notes     (Last Modified On 3/20/2009)
general taxon notes:
Many Chinese specimens of Distichophyllum mittenii, especially those from Hainan, were mistaken for D. obtusifolium. Diagnostically, leaf apices of D. obtusifolium are devoid of a clearly differentiated leaf border and are broadly rounded without an apiculus or mucro as is the case in D. mittenii. Furthermore, the submarginal leaf cells of D. obtusifolium are only slightly smaller than the inner paracostal cells, quite unlike the markedly reduced submarginal leaf cells seen in D. mittenii. Thus far, we have not seen any authentic Chinese collections of D. obtusifolium, although its presence in China is to be expected.

 

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7. Distichophyllum mittenii Bosch & Sande Lac. 钝叶黄藓 dun-ye huang xian
Bryol. Jav. 2: 25. 1861. Type. Indonesia: Java, Amann s.n.
 
Plants medium-sized to large, mat-forming, laxly foliate, complanate. Stems prostrate or ascending, to 2 cm tall, 4 mm wide with leaves. Leaves slightly undulate to moderately crisped when dry, shiny, spathulate to obovate from a narrow leaf base, 3–4 mm × 2 mm, the apices broadly rounded with a tiny apiculus or mucro measuring less than 15 µm long; costae strong, ending well below apex; leaf margins entire, slightly undulate when wet, with a narrow border of 1–2 rows of thin-walled, linear cells throughout; leaf cells hexagonal, 15–22 µm wide, thin- to thick-walled, slightly collenchymatous, the submarginal cells in upper half of the leaf forming several rows, of much smaller cells, 9–15 µm; basal laminal cells rectangular, 67–90(–110) µm × 27–33 µm. Sporophytes lateral; setae to 10 mm long, scabrous; capsules ovoid, the exothecial cells strongly collenchymatous.
 
 
 


 

 
 
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