Abronia elliptica

A. Nelson

Bull. Torrey Bot. Club 26: 7. 1899. 1899

IllustratedEndemic
Synonyms: Abronia fragrans var. elliptica (A. Nelson) M. E. Jones Abronia nana var. harrisii S. L. Welsh
Treatment appears in FNA Volume 4. Mentioned on page 63.

Plants perennial, sometimes nearly acaulescent. Stems decumbent to erect, elongate, glandular-pubescent, infrequently glabrous. Leaves: petiole 1–4 cm; blade ovate elliptic-oblong to ovate, 1.5–6 × 0.5–3.5 cm, margins entire to sinuate, often undulate, adaxial surface glabrous or puberulent, abaxial surface thinly puberulent to pubescent. Inflorescences: peduncle longer than subtending petiole; bracts ovate to obovate, 5–20 × 3–10 mm, scarious, apex obtuse to acute, glandular-pubescent to villous; flowers 25–75. Perianth: tube rose to greenish, 10–20 mm, limb white, 5–8 mm diam. Fruits broadly turbinate, apex truncate or rounded and slightly beaked, or fruit ± rhombic in profile, 5–12 × 4–8.5 mm, scarious, tapered at both ends; wings (2–) 5 (often 2 on periphery of inflorescence and folded together), dilated distally and flattened perpendicular to plane of lamina, dilations longer than wide, thin walled, cavities extending throughout.


Phenology: Flowering spring–fall.
Habitat: Sandy or gravelly soils, desert grasslands, scrub
Elevation: 700-2500 m

Distribution

Ariz., Colo., Nev., N.Mex., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Abronia elliptica"
thinly puberulent +  and pubescent +
puberulent +  and glabrous +
glandular-pubescent;villous +
Leo A. Galloway +
A. Nelson +
glutinous +
unequal +
woody +, leathery +  and fleshy +
1.5 cm15 mm <br />0.015 m <br /> (6 cm60 mm <br />0.06 m <br />) +
elliptic-oblong;ovate +
succulent +
0.5cm;3.5cm +
persistent +
distinct +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
ovate +  and obovate +
not accrescent +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
corollalike +  and petaloid +
longer than wide +
flattened +  and dilated +
Ariz. +, Colo. +, Nev. +, N.Mex. +, Utah +  and Wyo. +
700-2500 m +
curved +  and straight +
inconspicuous +  and showy +
25 +  and 75 +
chasmogamous +  and bisexual +
not +  and winged +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
glabrate +  and viscid puberulent +
Tapered (?) +, Rhombic (?) +  and Turbinate (?) +
0.4 cm4 mm <br />0.004 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
Sandy or gravelly soils, desert grasslands, scrub +
cauline +  and basal +
unequal +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
5-lobed +
pubescent +  and glabrous +
undulate +, entire +  and sinuate +
expanded +
salverform +
constricted +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering spring–fall. +
Bull. Torrey Bot. Club +
slightly rounded;conic +
thick +  and thin +
fibrous;fleshy +
membranaceous +
ribbed +, 10-ribbed +  and 5-ribbed +
pubescent +, glabrous +  and warty +
Illustrated +  and Endemic +
decumbent +  and erect +
elongate +
fusiform +  and linear +
filiform +
rugose +  and smooth +
Abronia fragrans var. elliptica +  and Abronia nana var. harrisii +
slender +  and stout +
Abronia elliptica +
species +
gland-tipped +
rose;greenish +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
perpendicular +
plane +, flattened +  and dilated +