Show Lower Taxa
Amaranthus sect. Acanthochiton
Ann. Bot. F enn. 33: 277. 1996.
Basionym: Undefined sect. Acanthochiton Torrey in L. Sitgreaves, Rep. Exped. Zuni Colorado Rivers, 170. 1853
Treatment appears in FNA Volume 4. Treatment on page 419.
Plants annual, glabrous or glabrescent. Bracts of pistillate flowers leaflike, deltate or rhombic-deltate, very broad, margins crispate and denticulate. Pistillate flowers: tepals 5, outer tepals linear to narrowly lanceolate, inner tepals spatulate to fan-shaped. Utricles dehiscence circumscissile.
Distribution
sw North America
Discussion
Species 1.
Selected References
None.
Lower Taxa
"broad" is not a number.
... more about "Amaranthus sect. Acanthochiton"
dehiscence +
mucronulate;emarginate;obtuse;emarginate;obtuse;acute +
persistent +
absent +
compound +
arranged +
sw North America +
peripheral +
annular +
alternating +
distinct +
pistillate +
not keeled +
hypogynous +
unisexual +
cluster +
arranged +
spatulate;fan-shaped +
petiolate +
alternate +
undulate-erose +
larger +
superior +
spicate +
well-developed +
surrounding +
absent +
rudimentary +
modified +
absent +
Ann. Bot. F enn. +
1996 +
reticulate +
puncticulate +
shiny +
well-developed +
absent +
3;5 +
not fleshy +
2;3 +
slender +
absent +
Amaranthus sect. Acanthochiton +
Amaranthus subg. Acnida +
section +
distinct +
absent +
subequal +
equal +
simple +
circumscissile +
glabrous +
membranaceous +
thin +
annual +
dioecious +