Allenrolfea

Kuntze

Revis. Gen. Pl. 2: 545. 1891.

Common names: Iodine bush
Etymology: for Robert Allen Rolfe, English botanist, 1855–1921
Treatment appears in FNA Volume 4. Treatment on page 321. Mentioned on page 259, 389.

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.

Distribution

North America, Mexico, Central America, South America

Discussion

Species 3 (1 in the flora).

Selected References

None.

... more about "Allenrolfea"
Leila M. Shultz +
Kuntze +
slippery +
aromatic +
triangular +
deciduous +
reddish-brown +, black +, brown +  and green +
Iodine bush +
North America +, Mexico +, Central America +  and South America +
for Robert Allen Rolfe, English botanist, 1855–1921 +
compressed +  and ovoid +
reduced +
not winged +  and winged +
lobed +  and serrate-dentate +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
angled +  and 4-5-lobed +
Revis. Gen. Pl. +
pointing +  and ascending +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
verrucate +  and striate +
cylindric +
1 (?) +  and 2 (?) +
not armed +  and much-branched +
opposite +  and alternate +
decumbent +  and erect +
succulent +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Allenrolfea +
Chenopodiaceae +
deciduous +, evergreen +, perennial +  and annual +
polygamous +, dioecious +  and monoecious +