Elaphoglossum erinaceum (Fée) T.Moore
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Authority
Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.
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Family
Dryopteridaceae
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Scientific Name
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Description
Species Description - Rhizomes short-creeping, to 7 mm diam.; rhizome scales linear, orange to castaneous, to 17mm long, entire or with very irregular teeth near the tips; fronds clumped, 23–73 x 2.3–8 cm; phyllopodia absent; stipes 1/3–1/2 the frond length, with scales dark reddish brown, subulate, widely spreading, to 5 mm long, also with minute erect glandular hairs on stipes and costae; blades lanceolate to elliptic, chartaceous, apices acuminate to caudate, bases cuneate to rounded; veins evident, free, simple or once-forked, 1–2 mm apart, at 70–80º angle to costa; hydathodes absent; blade scales subulate, dark reddish brown, often appearing black (orange-tan in var. occidentale), mostly on the midveins and spreading from the margins, also with minute, simple, branched, or stellate hairs on the abaxial surfaces; fertile fronds considerably shorter than the sterile (ca. 1/2 the length of the sterile) and somewhat narrower, lanceolate to linear-lanceolate, with a noticeable sterile margins, scales absent on the abaxial surfaces; spores with broad, low, smooth ridges.
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Discussion
Acrostichum erinaceum Fe´e, Me´m. Foug. 2: 41. 1845. Lectotype (chosen by Proctor 1977: 215). Guadeloupe. Rivie`re de Saint-Louis, de Thiouville s.n. (P!).