Leucophyllum candidum

I. M. Johnston

J. Arnold Arbor. 22: 120. 1941.

Common names: Brewster County barometer-bush
Synonyms: Leucophyllum violaceum Pennell
Treatment appears in FNA Volume 17. Treatment on page 333.

Shrubs erect, not intricately branched, rounded, 3–10(–15) dm, not appearing thorny. Young stems irregularly canescent-tomentose, hairs conic to cylindric, dendritic, uneven in height. Leaves alternate or subopposite, sometimes opposite near stem apices; petiole 1–3(–6) mm; blade broadly obovate to obovate-orbiculate, reniform, or ovate, 6–10(–16) mm, base rounded to cuneate, veins not prominently raised abaxially, surfaces densely equally silvery gray-tomentose or irregularly canescent-tomentose, hairs conic to cylindric, dendritic, uneven in height. Flowers: calyx lobes oblong to oblong-lanceolate, 2.5–5(–6) mm; corolla dark to light violet-purple, campanulate, (10–)12–22(–25) mm, tube not notably narrowed. 2n = 68.


Phenology: Flowering (Apr–)May–Sep.
Habitat: Limestone hills, canyons, steep slopes, gravelly slopes, flats, roadsides.
Elevation: 600–1200 m.

Distribution

Tex., Mexico (Chihuahua, Coahuila, Durango, Zacatecas).

Discussion

Leucophyllum candidum is known in the flora area only from Brewster County.

Selected References

None.

Lower Taxa

None.
... more about "Leucophyllum candidum"
James Henrickson +  and Guy L. Nesom +
I. M. Johnston +
Brewster County barometer-bush +
Tex. +, Mexico (Chihuahua +, Coahuila +, Durango +  and Zacatecas). +
600–1200 m. +
Limestone hills, canyons, steep slopes, gravelly slopes, flats, roadsides. +
Flowering (Apr–)May–Sep. +
J. Arnold Arbor. +
Leucophyllum violaceum +
Leucophyllum candidum +
Leucophyllum +
species +