familySchizaeaceae
genusActinostachys
Show Lower Taxa
Actinostachys
Numer. List. 1. 1829.
Common names: Ray spiked fern
Etymology: Greek aktis, ray, and stachys, spike, referring to the rays of the fertile leaves
Treatment appears in FNA Volume 2.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Schizaea pusilla Dicranopteris flexuosa Actinostachys pennula | John Myers John Myers John Myers |
Plants terrestrial. Roots dark, fibrous, covered with dark, stiff hairs, 2–3 mm. Stems upright; hairs uniseriate. Leaves all fertile (even youngest), unbranched, long-petioled. Blades falsely digitate, reduced to 2–many erect to spreading terminal rays; rays appearing to whorled but actually borne on very short rachis. Sporangia in 2–4 rows. Gametophytes subterranean, not green, tuberlike, brown-hairy. x = 134, 140.
Distribution
Nearly worldwide in tropical regions
Discussion
Species 20 (1 in the flora).
Lower Taxa
... more about "Actinostachys"
subapical +
digitate +
radiating +
apical +
fist-like +
reduced +
long +
thickened +
Ray spiked fern +
Nearly worldwide in tropical regions +
fan--shaped +
not green +
subterranean +
brown-hairy +
tuberlike +
filamentous +
uniseriate +
dark +
stiff +
many +
dimorphic +
fertile +
revolute +
dichotomous +
much longer +
rudimentary +
fertile +
Numer. List. +
1829 +
1;4 +
dark +
numerous +
fibrous +
whorled +
simple +
webbed +
monolete +
bilateral +
upright +
1;3 +
Actinostachys +
Schizaeaceae +
genus +
terrestrial +