All Floras      Advanced Search
Login | eFloras Home | Help
SCBG Checklist | Family List | Polypodiaceae | Dryopteris

Dryopteris tenuicula Math.

华南鳞毛蕨

Description from Flora of China

Dryopteris jiulungshanensis P. S. Chiu & G. Yao ex Ching; D. neglecta Ching & Z. Y. Liu; D. purpurella Tagawa; D. rubristipes Ching & Z. Y. Liu; D. subchampionii Ching; D. subtenuicula Ching & P. S. Chiu; D. yaoi Ching; Nephrodium tenuiculum (C. G. Matthew & Christ) Tutcher.

Rhizome ascending, 2-2.5 cm in diam., densely covered with scales at apex. Fronds caespitose. Stipes dark brown at base and stramineous upward, or reddish when young, 20-25 cm, ca. 2 mm in diam., base covered with black, lanceolate scales, upward scales sparse or upper stipe subglabrous. Lamina ovate-lanceolate, 30-40 × 20-25 cm, bipinnate. Pinnae 10-12 pairs, opposite or subopposite, ovate-lanceolate, 9-12 × 3-4 cm, subsessile, apex caudate. Pinnules 8-10 pairs, oblong-lanceolate, 2-3 cm × 7-10 mm, base broadly cuneate or truncate, margin pinnatifid, apex acute; basal pinnules on lowest pinna distinctly shortened, next 2 or 3 pairs of basiscopic pinnules distinctly larger. Segments ascending, with an acute apical tooth. Veins pinnate; veinlets simple, visible abaxially. Lamina herbaceous, dark green, glabrous adaxially, scaly abaxially; pinna rachis and costa covered with denser bullate scales. Sori slightly nearer to margin than to costa; indusia brown, reniform, entire.

Dryopteris zhangii Ching (Bull. Bot. Res., Harbin 3(3): 26. 1983), described from Zhejiang (Jiangxian: Tiandong Shan), was treated as a synonym of D. tenuicula by Fraser-Jenkins (Bull. Brit. Mus. (Nat. Hist.), Bot. 14: 213. 1986).

Subtropical broad-leaved evergreen forests, warm-temperate broad-leaved forests; 1000-2100 m (in Taiwan). Guangdong, Guangxi, Guizhou, Hunan, Sichuan, Taiwan, Zhejiang [Japan, Korea].

引种苗圃 Introducing Plants Nursery


 

Related Objects  

Flora of China  
  • Illustration
  • Illustration

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |