Halophila engelmannii
in G. B. von Neumayer,Anleitung zu Wissenschaftlichen Beobachtungen auf Reisen 368. 1875.
Illustrated
Treatment appears in FNA Volume 22.
Rhizomes with 2 scales at each node. Erect stem apparent, scales 2, near middle. Leaves in pseudowhorl at apex of erect stem, 10–30 × 3–6 mm; blade linear-oblong to oblong, base cuneate, margins serrulate, apex obtuse to apiculate. Inflorescences: spathes 1-flowered. Flowers unisexual, staminate and pistillate on different plants; staminate flowers unknown; pistillate flowers sessile to nearly sessile, ca. 4 mm. Fruits beaked. Seeds 0.3 mm.
Phenology: Flowering spring.
Habitat: Sandy to coral substrates of marine waters
Elevation: -40–0 m
Distribution
Fla., La., Tex., West Indies (Cuba), West Indies (Bahama Islands)
Discussion
Selected References
Lower Taxa
None.
... more about "Halophila engelmannii"
linear;fusiform +
erect +
cuneate +
uniform +
abaxial +
linear-oblong;oblong +
opposite +
2-fid +
leaf-bearing +
arising +
moniliform +
distinct +
unisexual +
4 cm40 mm <br />0.04 m <br /> (?) +
not echinate +
beaked +
dehiscing +
ridged;ovoid;spheric +
Present +
axillary +
emergent +
basal +
serrulate +
2-6[-16]-carpellate +
parietal +
inferior +
absent +
0;1 +
free +
epigynous +
differentiated +
absent +
submersed +
spheric +
in G. B. von Neumayer,Anleitung zu Wissenschaftlichen Beobachtungen auf Reisen +
1875 +
absent +
opposite +
bisexual +
echinate +
glabrous +
papillose +
echinate;reticulate +
many +
0.3 cm3 mm <br />0.003 m <br /> (?) +
tubular +
1-flowered +
Illustrated +
(0-)2-many +
creeping +
erect +
absent +
apparent +
elongate +
absent +
submersed +
absent +
3;5 +
not 2-fid +
Halophila engelmannii +
Halophila +
species +
submersed +
absent +
submersed +