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Allenrolfea
Family:
Amaranthaceae
Leslie Landrum
FNA
Resources
Leila M. Shultz in Flora of North America (vol. 4)
Shrubs,
glabrous.
Stems
erect or decumbent, much-branched, not armed, succulent; branches articulated into small joints.
Leaves
alternate, ascending, sessile, reduced to scales; blade broadly triangular, base clasping, margins entire, apex acute.
Inflorescences
terminal spikes, flowers spirally arranged in 3s or 5s in axils of deciduous, peltate, fleshy bracts.
Flowers
bisexual, sessile; perianth 4-5-lobed , angled, truncate distally, unchanged in fruit; stamens 1-2, exserted; stigmas 2(-3), usually distinct.
Fruits
utricles, ovoid, compressed; pericarp free, membranous.
Seeds
erect, brown or reddish brown, oblong, smooth; embryo partly enclosing copious perisperm, radicle inferior.
x
= 9.
Species within checklist:
Camp Creek
Allenrolfea mexicana
Allenrolfea occidentalis
Allenrolfea vaginata
Development supported by National Science Foundation Grants (
DBI 9983132
,
BRC 0237418
,
DBI 0743827
,
DBI 0847966
)
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