Tectaria heracleifolia

(Willdenow) L. Underwood

Bull. Torrey Bot. Club 33: 200. 1906.

Common names: Broad halberd fern
Illustrated
Basionym: Aspidium heracleifolium Willdenow Sp. Pl. 5(1): 217. 1810
Treatment appears in FNA Volume 2.

Stems erect, compact. Petiole straw-colored or rarely brown, 1–2 times length of blade, glabrous on both surfaces, base scaly; scales linear to lanceolate, 3–10 × 0.5–2 mm. Blade ovate to pentagonal, 1-pinnate or (in small plants) ternately lobed, (12–) 20–40 (–50) × 14–40 (–45) cm. Rachis and costae glabrous abaxially. Pinnae 1–2 (–3) pairs, 12–22 cm, base cordate, margins shallowly lobed, with pair of basal lobes and without proliferous buds in axils. Areoles with included veinlets. Indusia peltate. 2n = 160.


Habitat: Rocky hammocks, limestone outcrops in shade, cave entrances
Elevation: 0–100 m

Distribution

V2 555-distribution-map.gif

Fla., Tex., Mexico, West Indies in Antilles, Central America, South America to Peru

Discussion

Selected References

None.

Lower Taxa

None.

"-2timeslengthofblade" is not declared as a valid unit of measurement for this property.

... more about "Tectaria heracleifolia"
Robbin C. Moran +
(Willdenow) L. Underwood +
cordate +
Aspidium heracleifolium +
simple to commonly +
40 cm400 mm <br />0.4 m <br /> (50 cm500 mm <br />0.5 m <br />) +
40 cm400 mm <br />0.4 m <br /> (45 cm450 mm <br />0.45 m <br />) +
20 cm200 mm <br />0.2 m <br /> (?) +  and 40 cm400 mm <br />0.4 m <br /> (?) +
ovate;pentagonal 1-pinnate or ternately lobed +
reduced +
herbaceous;papery +
14 cm140 mm <br />0.14 m <br /> (40 cm400 mm <br />0.4 m <br />) +
proliferous +
roundish +
Broad halberd fern +
rounded +
Fla. +, Tex. +, Mexico +, West Indies in Antilles +, Central America +  and South America to Peru +
0–100 m +
inflated +
often +  and glabrous +
not continuous +
Rocky hammocks, limestone outcrops in shade, cave entrances +
multicellular +
of multicellular hairs +  and lacking +
caducous +  and persistent +
round-reniform +
monomorphic +
evergreen +
brown +  and straw-colored +
not articulate +
12 cm120 mm <br />0.12 m <br /> (22 cm220 mm <br />0.22 m <br />) +
sessile +  and short-petiolulate +
Bull. Torrey Bot. Club +
round +, cuplike +, hoodlike +, reniform +, falcate +  and linear +
2 +  and 3 +
persistent +
linear;lanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
entire +  and sinuate or shallowly lobed +
discrete +
Illustrated +
reniform +  and oblong +
dictyostelic +, unbranched +  and branched +
Tectaria heracleifolia +
Tectaria +
species +
anastomosing +  and simple +
on rock +  and terrestrial +
epiphytic +  and hemiepiphytic +