Giliastrum acerosum (A. Gray) Rydberg
Family: Polemoniaceae
bluebowls,  more...
[Gilia acerosa (Gray) Britt.,  more]
Giliastrum acerosum image
Max Licher  
PLANT: Perennial, 6-15 cm tall, branched at the base; stems 5-12, spreading to erect, woody below, glandular throughout. LEAVES: slightly reduced upwards; lower deeply pinnately lobed, the lobes needle-like; upper subpalmately lobed, the lobes 3-5. INFLORESCENCE: open, with 1-3 pedicelled flowers at branch tips. FLOWER: calyx 7-8 mm long, the lobes attenuate, needle-like; corolla broadly funnelform, 7-10 mm long, deep blue, the tube usually shorter than the calyx; stamens inserted on the lower tube; anthers located above the throat, bright yellow; stigma located among the anthers or slightly above. CAPSULE: 4-5 mm long, broadly ovoid. 2n=18,20. NOTES: Gravelly soils, rocky slopes, canyons, shrublands, woodlands; Apache, Cochise, Navajo, Santa Cruz cos.; 1300-1950 m (4200-6400 ft); May-Sep; AZ to TX and n Mex. Porter, J. M. Aliso 17: 83-85. REFERENCES: Dieter H. Wilken and J. Mark Porter, 2005, Vascular Plants of Arizona: Polemoniaceae. CANOTIA 1: 1-37.
Wilken and Porter 2005
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Herbaceous perennial, 6-15 cm tall, spreading to erect, branched at the base; stems 5-12, woody below, glandular throughout. Leaves: Slightly reduced upwards; lower deeply pinnately lobed, the lobes needle-like; upper subpalmately lobed, the lobes 3-5. Flowers: Inflorescence open, with 1-3 pedicelled flowers at branch tips; calyx 7-8 mm long, the lobes attenuate, needle-like; corolla broadly funnelform, 7-10 mm long, deep blue, the tube usually shorter than the calyx; stamens inserted on the lower tube; anthers located above the throat, bright yellow; stigma located among the anthers or slightly above. Fruits: Capsule 4-5 mm long, broadly ovoid. Ecology: Found in gravelly soils, rocky slopes, canyons, shrublands and woodlands; 4300-6400 ft (1300-1950 m); flowering May-Sep. Distribution: East-central and se AZ, NM, TX and n Mex. Notes: Listed as Gilia rigidulum or Giliastrum rigidulum in our area but most specimens have been identified as G. acerosum. Distinguished by the combination of the relatively large (7-10mm), dark blue corollas with yellow centers, the needle-like, glandular leaves and woody bases of plants. Ethnobotany: unknown Etymology: Giliastrum is from the Greek, resembling Gilia and acerosum refers to the needle-like leaves. Synonyms: Gilia acerosa (Gray) Britt., Gilia rigidula subsp. acerosa (A. Gray) Wherry, Gilia rigidula var. acerosa Gray, Giliastrum rigidulum subsp. acerosum (Gray) W.A. Weber Editor: FSCoburn 2014
Giliastrum acerosum image
Giliastrum acerosum image
Liz Makings  
Giliastrum acerosum image
Liz Makings  
Giliastrum acerosum image
Liz Makings  
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Arizona State University Herbarium  
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Liz Makings  
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Giliastrum acerosum image
Arizona State University Herbarium