Show Lower Taxa
Amaranthus sect. Acnida
Ann. Bot. Fenn. 33: 277. 1996.
Basionym: Undefined sect. Acnida Linnaeus Sp. Pl.,Gen. Pl. ed. 2: 1027. 1753,5, 452. 1754
Synonyms: Acnida sect. Acnidastrum Moquin-Tandon Acnida sect. Montelia Moquin-Tandon
Plants annual, glabrous. Bracts not enfolding flower, not leaflike, narrowly elliptic to subulate-linear, margins entire, plane (or in some species indistinctly undulate). Pistillate flowers: tepals absent or 1–2, reduced-linear or linear-lanceolate. Utricles usually indehiscent (dehiscent in some forms of A. tuberculatus).
Distribution
North America, Mexico, West Indies, South America
Discussion
Species 4 (4 in the flora).
Selected References
None.
... more about "Amaranthus sect. Acnida"
dehiscence +
mucronulate;emarginate;obtuse;emarginate;obtuse;acute +
not leaflike +
persistent +
absent +
compound +
arranged +
peripheral +
annular +
alternating +
distinct +
pistillate +
not keeled +
not enfolding +
unisexual +
cluster +
arranged +
petiolate +
alternate +
undulate-erose +
plane +
larger +
superior +
spicate +
well-developed +
surrounding +
absent +
rudimentary +
modified +
absent +
Ann. Bot. Fenn. +
1996 +
reticulate +
puncticulate +
shiny +
well-developed +
absent +
3;5 +
not fleshy +
2;3 +
slender +
absent +
Amaranthus sect. Acnida +
Amaranthus subg. Acnida +
section +
distinct +
absent +
1;2 +
subequal +
equal +
simple +
indehiscent +
glabrous +
membranaceous +
thin +
annual +
glabrous +
dioecious +