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FOC | Family List | FOC Vol. 2-3 | Dryopteridaceae | Dryopteris

147. Dryopteris diacalpioides (Ching) Li Bing Zhang, Taxon. 61: 1206. 2012.

棕鳞鳞毛蕨 zong lin lin mao jue

Nothoperanema diacalpioides Ching, Acta Phytotax. Sin. 11: 28. 1966.

Plants ca. 64 cm tall. Stipe stramineous, ca. 33 cm × 3 mm, clothed with brown, linear-lanceolate, thin scales along rachis. Lamina ovate, ca. 40 × 27 cm, tripinnate, widest at base, apex acute; pinnae ca. 16 pairs, basal 1(or 2) pairs opposite; next upper ones alternate, subsessile, obliquely spreading; basal pinna larger than next upper ones, oblong-lanceolate, ca. 14.5 × 6.5 cm, bipinnate, base broadly cuneate, inequilateral, apex acute; pinnules ca. 16 pairs, alternate, basal pair larger than others; basal one oblong-lanceolate, ca. 5 × 1.6 cm, pinnate, inequilateral, apex acuminate; ultimate pinnules ca. 14 pairs, oblong, ca. 1 × 3 mm, shallowly rounded-lobed, rounded and small serrate at apex; shortened gradually from second pinnae upward. Middle pinnae ca. 13 cm; pinnules 2-2.5 cm, veins in ultimate pinnules pinnate; veinlets forked or simple, running to lamina margin and distinct abaxially. Lamina herbaceous when dried, green, clothed with brown, linear-lanceolate scales on abaxial side of costa, costule with fleshy thorn on adaxial surface of vein. Sori orbicular, located on veinlets near costa, in 1 row on each side of costa; indusia brown, orbicular or oblong, thin, entire, deciduous.

● Forests, shaded wet places; ca. 2400 m. S Yunnan (Jinping, Pingbian).


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