Peniocereus greggii var. transmontanus

(Engelmann) Backeberg

Cactaceae 4: 1945. 1960.

Illustrated
Basionym: Cereus greggii var. transmontanus Engelmann Proc. Amer. Acad. Arts 3: 287. 1856
Synonyms: Cereus greggii var. roseiflorus Kunze
Treatment appears in FNA Volume 4. Treatment on page 156. Mentioned on page 157.

Areoles nearly circular, 2 × 2 mm, spines radially spreading. Flowers 22–25 × 7–8 cm.


Phenology: Flowering spring–summer; fruiting summer–early fall.
Habitat: Sonoran Desert, sandy or gravelly loams, creosote bush-bursage flats, edges of washes and on slopes of small hills
Elevation: 300-1100 m

Discussion

Peniocereus greggii var. transmontanus is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.
Donald J. Pinkava +
(Engelmann) Backeberg +
Cereus greggii var. transmontanus +
Ariz. +  and Mexico (Sonora). +
300-1100 m +
Sonoran Desert, sandy or gravelly loams, creosote bush-bursage flats, edges of washes and on slopes of small hills +
Flowering spring–summer +  and fruiting summer–early fall. +
Illustrated +
Cereus greggii var. roseiflorus +
Peniocereus greggii var. transmontanus +
Peniocereus greggii +
variety +