Thelypteris hispidula

(Decaisne) C. F. Reed

Phytologia 17: 283. 1968.

Common names: Hairy maiden fern
Basionym: Aspidium hispidulum Decaisne Nouv. Ann. Mus. Hist. Nat. 3: 346. 1834
Synonyms: Christella hispidula (Fée) Holttum Cyclosorus quadrangularis (Fée) Tardieu-Blot Dryopteris hispidula (Decaisne) Kuntze Dryopteris quadrangularis (Fée) Alston Thelypteris quadrangularis (Fée) Schelpe
Treatment appears in FNA Volume 2.

Distribution

Ala., Fla., Ga., La., Miss., S.C., Tex., tropical and subtropical, North America, Mexico, West Indies in the Antilles, Central America, South America, Asia, Africa

Discussion

Varieties 4 (1 in the flora).

This species and the next are included in Christella subg. Christella by R. E. Holttum (1982).

The relationship between Old World and New World varieties is unstudied.

Selected References

None.

... more about "Thelypteris hispidula"
reduced +
Alan R. Smith +
(Decaisne) C. F. Reed +
Aspidium hispidulum +
pinnate-pinnatifid +
Hairy maiden fern +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, S.C. +, Tex. +, tropical and subtropical +, North America +, Mexico +, West Indies in the Antilles +, Central America +, South America +, Asia +  and Africa +
glandular +  and hairy +
not continuous +
branched +  and simple +
transparent +
ephemeral +  and persistent +
round-reniform +
small +  and large +
monomorphic +
evergreen +
reticulate +  and echinate +
short-stalked +  and sessile +
not +  and reduced +
elongate +, oblong +  and round +
hairy +  and glabrous +
0.15 cm1.5 mm <br />0.0015 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
long-creeping;ascending +
Christella hispidula +, Cyclosorus quadrangularis +, Dryopteris hispidula +, Dryopteris quadrangularis +  and Thelypteris quadrangularis +
Thelypteris hispidula +
Thelypteris subg. Cyclosorus +
species +
crescent--shaped +
simple +  and anastomosing +
on rock +  and terrestrial +