Comprehensive Description
(
anglais
)
fourni par North American Flora
Dicranopteris farinosa (Kaulf.) Underw. Bull. Torrey
Club 34: 254. 1907.
Mertensia farinosa Kaulf. Wes. Farrenkr. Vl . 1827. Mertensia subirisperma Fee, M^m. Foug. 11 : 122. 1866. Gleichenia farinosa Hook. Sp. Fil. 1 : 9, in part. 1844. Gleichenia subirisperma Krug, Bot. Jahrb. 24 : 78. 1897.
A small erect plant, 15-35 cm. high; rhizome 2-3 mm. in diameter, darkor purplishbrown, shining, freely branched, tuberculate from the detachment of roots, deciduously paleaceous, the scales bright-castaneous, linear-lanceolate, ciliate ; primary leaf-axis brownish, sparingly clothed with narrow yellowish -brown ciliate scales, glabrescent, bearing 2 or 3 pairs of mostly once-pseudodichotomous branches (the uppermost sometimes simple), the axis of the lowermost sometimes continued beyond the fork and bearing a second pair of simple pinnae; primary internodes 1-1.5 cm. long, pectinate upon the upper side, naked on the lower ; pinnae 7-14 cm. long, 2-3.5 cm. broad, oblong-lanceolate, acuminate, incised nearly to the rachis ; segments very coriaceous, slightly oblique, very close, linear-oblong, 1-1.8 cm. long, about 2.5 mm. broad, acute, glabrous above, below decidedly granulose, the particles subclavate, yellowish -white, persistent ; rachises rather thickly clothed below with spreading linear-lanceolate deeply ciliate yellowish scales, the costae with a few dullyellowish filiform scales ; veins 20-25 pairs, once-forked near the costule, concealed, the Overlying tissue elevated, the granular particles here elongate-clavate; sori 3or 4-sporangiate, nearly medial, borne upon the anterior branch.
Type locality : Not known.
Distribution : Guadeloupe and Martinique ; not uncommon at altitudes of from 900 to 1450 meters. Ascribed also to Trinidad, probably with incorrectness.
- citation bibliographique
- Lucien Marcus Underwood, Ralph Curtiss BenedictWilliam Ralph Maxon. 1909. OPHIOGLOSSALES-FILICALES; OPHIOGLOSSACEAE, MARATTIACEAE, OSMUNDACEAE, CERATOPTERIDACEAE, SCHIZAEACEAE, GLEICHENIACEAE, CYATHEACEAE (pars). North American flora. vol 16(1). New York Botanical Garden, New York, NY
Sticherus farinosus: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Sticherus farinosus là một loài dương xỉ trong họ Gleicheniaceae. Loài này được Kaulf. Ching mô tả khoa học đầu tiên năm 1940. Danh pháp khoa học của loài này chưa được làm sáng tỏ.
- licence
- cc-by-sa-3.0
- droit d’auteur
- Wikipedia tác giả và biên tập viên