南亚鳞毛蕨 nan ya lin mao jue

Diacalpe pseudocaenopteris Kunze, Bot. Zeitung (Berlin) 4: 457. 1846; Cyathea aspidioides (Blume) Moritz; D. aspidioides Blume; D. aspidioides var. minor Ching & S. H. Wu; Peranema aspidioides (Blume) Mettenius; Physematium aspidioides (Blume) Kunze.

Rhizome short, erect, ca. 1 cm in diam., terminal part densely covered with dark brown scales; scales ovate-lanceolate, 8-10 mm, thickly membranous, entire, acuminate. Fronds tufted; stipe 25-32 cm, base 2.5-3.5 mm in diam., dark brown, base covered with scales same as on rhizome, smaller and sparser upward; lamina dark brown when dry, ovate or narrowly ovate, 30-50 × 16-40 cm, quadripinnatifid, papery, with dark red globose glands along veins abaxially, sparsely covered with short nodose hairs adaxially, apex long acuminate; pinnae 16-20 pairs, basal ones subopposite, 5-7 cm apart, with stalk 0.6-1.2 cm, upper ones alternate, close together, basal pairs larger, 15-25 × 6.5-11 cm, triangular-lanceolate, falcate, tripinnatifid, base rounded-truncate, apex caudate-acuminate; pinnules 16-18 pairs, always alternate, anadromous, with short stalk 1-2 mm, 1.3-2.5 cm apart, basiscopic longest, lanceolate, 5-10 × 1.5-2.6 cm, bipinnatifid, base symmetrical, rounded-truncate; ultimate pinnules 10-17 pairs, with short stalks, separate, elliptic, 1-2 cm, base asymmetrical, broadly cuneate, pinnatipartite to ultimate rachillae, with 2-4 small teeth at apex; lobes 4 or 5 pairs, basal pair opposite, distant, elliptic, 3-6 × 1-2.2 mm, base asymmetrical, apex rounded, with 2-4 small teeth or entire; veins obvious abaxially, pinnate, veinlets simple or furcate, submarginal; rachis and rachillae dark brown, sparsely covered with brown scales and curly nodose hairs. Sori globose, ca. 0.8 mm in diam., 1 in each ultimate pinnule or lobe, dorsal on basal acroscopic veinlets; indusium inferior, leathery, brown, dehisced into 2 or 3 irregular valves from top when mature; spores narrowly elliptic, with fold. 2x = 82, 164.

Near streams in forests; 1200-2600 m. Hainan, Taiwan, Yunnan [Bhutan, India, Indonesia, Malaysia, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam].

When this species was transferred to Dryopteris, the earliest epithet aspidioides was blocked by D. aspidioides (Willdenow) C. Christensen (Index Filic. 253. 1905). The later epithet pseudocaenopteris had to be chosen.