Atriplex subg. Obione

(Gaertner) S. L. Welsh

Rhodora 102: 418. 2001.

Basionym: Undefined subg. Obione Gaertner Fruct. Sem. Pl. 2: 198, plate 126. 1791
Synonyms: Atriplex sect. Obione (Gaertner) Reichenbach
Treatment appears in FNA Volume 4. Mentioned on page 324, 326, 327, 328.

Plants annual or perennial, monoecious to subdioecious or less commonly dioecious. Leaves usually with or, uncommonly, without Kranz anatomy. Staminate flowers with calyx lobes crested or not. Pistillate flowers lacking or rarely with a perianth (in A. covillei, A. pleiantha, and A. suckleyi), enclosed by a pair of bracteoles. Bracteoles cuneate to ovate or obovate united at least to middle, faces with tubercles or crests or smooth. Seeds erect; radicle typically superior (except in A. pleiantha), erect, tip adjacent to styles.

Distribution

Mainly w North America, also Old World

Discussion

Species ca. 33 (27 in the flora).

Selected References

None.

... more about "Atriplex subg. Obione"
Stanley L. Welsh +
(Gaertner) S. L. Welsh +
slippery +
aromatic +
Undefined subg. Obione +
lobed +  and serrate +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
cuneate +  and ovate or obovate +
3-5-parted +
Mainly w North America +  and also Old World +
pistillate +  and staminate +
rarely +  and lacking +
unisexual +  and bisexual +
not +  and connate +
enlarged +
bladderlike +
terminal +  and axillary +
petiolate +  and sessile +
opposite +  and alternate +
deciduous +  and persistent +
not winged +  and winged +
entire +  and serrate +
lobed +  and serrate-dentate +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
(1-)3-5-lobed +
papery +  and chartaceous +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
flattened +
cylindric +
3 (?) +  and 5 (?) +
opposite +  and alternate +
succulent +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Atriplex sect. Obione +
Atriplex subg. Obione +
Atriplex +
subgenus +
dicotyledonous +
perennial +  and annual +
dioecious +, monoecious +  and subdioecious +