Compilation
Dryopteris contigua
1 Images see all
Name
Identification
Dryopteris contigua Rosenst. [family DRYOPTERIDACEAE ] Christella hispidula (Decne.) Holttum [family THELYPTERIDACEAE ] (stored under name);
Related name
- Dryopteris contigua
- Christella hispidula
Flora
Entry for Thelypteris quadrangularis Fée Schelpe [family THELYPTERIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 0, Part 0, page 189, (1970) Author: E. A. C. L. E. Schelpe
Names
Thelypteris quadrangularis Fée Schelpe [family THELYPTERIDACEAE], in Journ. S. Afr. Bot. 30: 196, t. 1 fig. b (1964). Type from Guyana.
Nephrodium quadrangulare Fée [family THELYPTERIDACEAE], Mém. Fam. Foug. 5: 308 (1852). Type as above.
Dryopteris contigua Rosenst. [family THELYPTERIDACEAE], in Meded. Rijksherb. Leiden, no. 31: 8 (1917) Type from Borneo.
Dryopteris quadrangularis Fée Alston [family THELYPTERIDACEAE], in Journ. of Bot. 75: 253 (1937). Type as for Thelypteris quadrangularis.
Cyclosorus contiguus Rosenst. Copel. [family THELYPTERIDACEAE], Gen. Pil.: 142 (1947). Type as for Dryopteris contigua.
Cyclosorus quadrangularis Fée Tardieu [family THELYPTERIDACEAE], in Notul. Syst. 14: 345 (1952). Type as for Thelypteris quadrangularis.
Information
Rhizome erect, with tufted fronds, and with brown to dark-brown lanceolate or attenuate, entire to ciliate, often thinly pilose rhizome-scales up to 6 mm. long. Frond non-proliferous, softly herbaceous. Stipe up to 46 cm., pale-brown, dark at the base, thinly pubescent with minute whitish hairs, and with dark-brown scales similar to those of the rhizome at the base. Lamina up to 59 x 30 cm., deeply 2-pinnatifid, lanceolate in outline, apex acuminate with a deeply pinnatifid terminal segment; the lowest 2 pairs of pinnae somewhat reduced, deflexed; middle pinnae up to 16 x 1.7 cm., very narrowly oblong or attenuate, deeply pinnatifid into narrowly oblong somewhat falcate, obtuse entire lobes up to 3 mm. broad (the basal acroscopic lobe somewhat larger than the rest), thinly pilose ventrally, thinly pilose with long white hairs up to 0.7 mm. long, especially on the costa and costules dorsally; the basal pair of veins anastomosing at a very obtuse angle below the sinus. Rhachis pale-brown, pilose with curved whitish hairs especially along the ventral furrow. Sori up to 13 per pinna lobe, circular, borne 1/2-way between the costules and the margin; indusium 1 mm. in diam., densely pilose with long white silky hairs.
Habitat
Deeply shaded stream-banks and undergrowth in forest
Range
W. tropical Africa from Sierra Leone to Angola
Altitude range
700–1500 m.
1500
700
Distribution
Mozambique MS Bandula Mt., 23.x.1957, Chase 6725 (BM; BOL; K; SRGH).Mozambique Z Namúli Mt., Chá Moçambique, 29.vii.1962, Schelpe & Leach 7077 (BOL).Mozambique N Ribáufè Mt., 19.vii.1962, Schelpe & Leach 6925 (BOL).Malawi C Nchisi Mt., Kota Kota Distr., 28.vii.1946, Brass 16999 (K; SRGH).Zimbabwe E Chirinda, 25.x.1947, Wild 2188 (K; SRGH).
Distribution (external)
Kenya
tropical S. America
E. tropical Asia