Polystichum imbricans subsp. curtum

(Ewan) D. H. Wagner

Pteridologia 1: 51. 1979.

Endemic
Basionym: Polystichum munitum subsp. curtum Ewan Amer. Fern J. 32: 99. 1942
Treatment appears in FNA Volume 2.

Stems erect. Leaves arching at tip, planar, 4–8 dm. Pinnae narrowly lanceolate, straight to falcate, in same plane as blade, more than 5 times longer than wide, apex acuminate-apiculate. Indusia entire or margin short-dentate.


Habitat: On floor of mixed evergreen forests in light shade
Elevation: 400–1400 m

Discussion

Polystichum imbricans var. curtum occurs mostly inland in California, and occasionally in the central Sierra Nevada.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."/4lengthofleaf" is not declared as a valid unit of measurement for this property.

acuminate-apiculate +
pinnatifid +
smaller +
David H. Wagner +
(Ewan) D. H. Wagner +
narrowed +
Polystichum munitum subsp. curtum +
plane;plane;linear-lanceolate;linear +
reduced +
leathery;leathery +
roundish +
400–1400 m +
inflated +
often +  and glabrous +
On floor of mixed evergreen forests in light shade +
caducous +  and persistent +
monomorphic +
evergreen +
not articulate +
straight +
spinulose-toothed +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
sessile +  and short-petiolulate +
Pteridologia +
round +, cuplike +, hoodlike +, reniform +, falcate +  and linear +
2 +  and 3 +
persistent +
scaly +  and glabrous +
diminishing +
linear;lanceolate +
discrete +
reniform +  and oblong +
dictyostelic +, unbranched +  and branched +
Polystichum munitum subsp. imbricans +  and Polystichum munitum var. imbricans +
Polystichum imbricans subsp. curtum +
Polystichum imbricans +
subspecies +
conspicuous +
anastomosing +
epiphytic +  and hemiepiphytic +