Amaranthus subg. Acnida
J. Arnold Arbor. 62: 283. 1981.
Basionym: Undefined subg. Acnida Linnaeus Sp. Pl.,Gen. Pl. ed. 2: 1027. 1753,5, 452. 1754
Plants dioecious. Stems erect to ascending, not fleshy. Inflorescences mostly terminal, well-developed spikes or spicate panicles. Pistillate flowers: tepals absent or 1–5. Utricles indehiscent or dehiscence circumscissile.
Distribution
North America, Mexico, Central America, n South America, elsewhere
Discussion
Species 9 (9 in the flora).
Selected References
None.
... more about "Amaranthus subg. Acnida"
dehiscence +
mucronulate;emarginate;obtuse;emarginate;obtuse;acute +
persistent +
absent +
compound +
arranged +
peripheral +
annular +
alternating +
distinct +
pistillate +
not keeled +
hypogynous +
unisexual +
cluster +
arranged +
petiolate +
alternate +
undulate-erose +
larger +
superior +
spicate +
well-developed +
surrounding +
absent +
rudimentary +
modified +
absent +
J. Arnold Arbor. +
1981 +
reticulate +
puncticulate +
shiny +
well-developed +
absent +
3;5 +
not fleshy +
2;3 +
slender +
absent +
Amaranthus subg. Acnida +
Amaranthus +
subgenus +
distinct +
absent +
1;5 +
subequal +
equal +
simple +
glabrous +
membranaceous +
thin +
dioecious +