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Chinese Plant Names | Family List | Dennstaedtiaceae | Dennstaedtia

Dennstaedtia wilfordii (Moore) Christ

溪洞碗蕨

Description from Flora of China

Microlepia wilfordii T. Moore, Index Fil. 299. 1861, based on Davallia rhomboidea Hooker, Sec. Cent. Ferns, t. 48. 1860, not Wallich ex Kunze (1850); Coptidipteris wilfordii (T. Moore) Nakai & Momose; Davallia wilfordii (T. Moore) Baker.

Plants ca. 30 cm tall. Rhizome slender and long creeping, black, with sparse, brown, articulate, long hairs. Fronds distichous, scattered or nearly caespitose; stipe ca. 14 cm, only ca. 1.5 mm in diam., black-chestnut-brown at base, with same long hairs as on rhizome, red-brown upward, or straw-colored, glabrous, shiny; lamina light green or grass-green when dried, 2- or 3-pinnatisect, oblong-lanceolate, ca. 27 × 6-8 cm, thinly herbaceous, glabrous throughout, acuminate or caudate at apex; pinnae 12-14 pairs, alternate, 2-3 cm apart, oblique upward, with stalk 3-5 mm, ovate, broadly lanceolate, or lanceolate, 2-6 × 1-2.5 cm, pinnatisect or bipinnatisect, acuminate or caudate at apex; pinnules ovate-oblong, 1-1.5 cm, less than 1 cm wide, anadromous, cuneate at base, decurrent, oblique upward, pinnatisect or coarsely serrate; ultimate pinnae entire, 2- or 3-forked and shortly acuminate at apex. Midrib obscure, lateral veins slender and obvious, pinnate and furcate, each lobule with one veinlet, not reaching margin, with obvious fusiform hydathode at apex; rachis straw-colored, rounded abaxially, grooved adaxially. Sori orbicular, on ultimate pinna axil, or terminal on acroscopic lobules; indusium light green, half cup-shaped, erose at rim, glabrous.

The authors have not seen material of Davallia wilfordii var. contracta Christ (Nuovo Giorn. Bot. Ital., n.s., 4: 87-88. 1897).

● Anhui, Chongqing, Fujian, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Shandong, Shanxi, Sichuan, Zhejiang.


 

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