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FOC | Family List | FOC Vol. 2-3 | Dennstaedtiaceae | Dennstaedtia

1. Dennstaedtia appendiculata (Wallich ex Hooker) J. Smith, Hist. Fil. 265. 1875.

顶生碗蕨 ding sheng wan jue

Dicksonia appendiculata Wallich ex Hooker, Sp. Fil. 1: 79-80. 1844; D. glutinosa Wallich ex Hooker; Emodiopteris appendiculata (Wallich ex Hooker) Ching & S. K. Wu; Patania appendiculata (Wallich ex Hooker) Beddome.

Rhizome creeping, black, ca. 5 mm in diam., slightly compressed on both sides, glabrous. Fronds scattered; stipe ca. 20 cm, ca. 3 mm in diam., black at base, dark brown upward, rounded beneath, grooved above, with brown scabrous marks; lamina black-brown adaxially when dried, deep brown abaxially, tripinnatisect, oblong-lanceolate, ca. 60 × 14 cm, herbaceous, abaxially slightly gray transparent glandular hairy, adaxially glabrous, both ends attenuate; pinnae 26-30 pairs, opposite, 1.5-2 cm apart, spreading, slightly oblique upward, very shortly stalked or almost sessile, lanceolate, basal pinnae shortened, only 1-2.5 cm, distant, middle pinnae 6-8 × 1.2-1.5 cm, bipinnatisect; pinnules 18-20 pairs, adjacent, spreading, oblong, 6-9 × 3-4 mm, base symmetrical, margin pinnatisect almost to costule, apex blunt; ultimate pinnules oblong, 2-2.5 mm, oblique upward, 2- or 3-forked at lower apex; lobules entire. Veins obvious abaxially, pinnate and furcate, veinlets not reaching margin, each lobule with one veinlet, hydathode at apex obscure; rachis and pinna rachis scabrous, with brown articulate hairs abaxially. Sori orbicular, terminal on upper side of lobules; indusium brownish, hemitelioid, glabrous, curved downward like a tobacco pipe.

1500-2500 m. Chongqing, Sichuan, Xizang [Bhutan, N India, Nepal].

"Sitobolium glutinosum" (J. Smith, London J. Bot. 1: 434. 1842, nom. nud., based on "Dicksonia glutinosa Wallich," nom. nud.) belongs here.


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