Comments
(
Anglèis
)
fornì da eFloras
Thelypteris augescens occasionally hybridizes with T. kunthii and T. ovata var. ovata in southern Florida.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
Anglèis
)
fornì da eFloras
Stems creeping, 4--8 mm diam. Leaves monomorphic, evergreen, (0.5--)1--3.5 cm apart, (30--)65--140 cm. Petiole straw-colored, 15--70 cm × 2--7(--9) mm, at base with scales tan to brownish, linear-lanceolate, hairy at margin. Blade 30--70 cm, broadest at or near base, abruptly narrowed distally, apical pinna ± similar to lateral pinnae, 5--17 × 1--3(--5) cm. Pinnae (4--)10--22(--28) × (0.3--)0.7--1.5 cm, incised 1/2--3/4 of width; segments somewhat curved, margins revolute, those at base of proximal pinnae slightly elongate; proximal pair of veins from adjacent segments running to sinus. Indument abaxially of hairs 0.2--0.4 mm on costae, veins, and blade tissue, also of brownish scales 0.6--1.2 mm on costae; veins and blade tissue glabrous adaxially. Sori round, medial to supramedial; indusia tan, bearing hairs 0.2--0.4 mm; sporangia glabrous. 2 n = 144.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
Anglèis
)
fornì da eFloras
Fla.; s Mexico; West Indies in the Bahamas, Cuba; Central America in Guatemala.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
Anglèis
)
fornì da eFloras
Limestone banks, in sun or partial shade; 0--50m.
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
Anglèis
)
fornì da eFloras
Aspidium augescens Link, Fil. Spec., 103. 1841; Christella augescens (Link) Pichi-Sermolli; Dryopteris augescens (Link) C. Christensen
- licensa
- cc-by-nc-sa-3.0
- drit d'autor
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA