Pholisma arenarium Nutt. ex Hook. (redirected from: Pholisma paniculatum)
Family: Boraginaceae
[Pholisma depressum Greene,  more...]
Pholisma arenarium image
J. E.(Jed) and Bonnie McClellan  

Plant: Annual or perennial (in ours) root parasites; STEMS 30-80 cm long, 1-2 cm in diameter, fleshy, underground, white or brownish

Leaves: linear to narrowly triangular, scale-like, spirally arranged

INFLORESCENCE: dense panicles or spikes

Flowers: with calyx lobes linear to spathulate, puberulent with gland-tipped hairs less than 0.5 mm long; corolla lavender to bluish purple, the margin white, exterior minutely puberulent; locules of ovary 10-20

Fruit: FRUITS capsules with irregularly circumscissile dehiscence, covered by the persistent perianth. SEEDS 1 per locule, in a ring, more-or-less kidney-shaped, flat, brown

Misc: Edges of sandy washes and adjacent, low, desert dunes; 100-250 m (400-900 ft); Mar.-May

Notes: lacks chlorophyll; rare; usually parasitic on roots of Ambrosia dumosa (Compositae) in AZ, but elsewhere has been found on various other shrubby Compositae, and species of Croton (Euphorbiaceae) and Eriodictyon (Hydrophyllaceae)

REFERENCES: Yatskievych. George. 1994. Lennoaceae. J. Ariz. - Nev. Acad. Sci. Volume 27(2), 220-221.

Pholisma arenarium image
J. E.(Jed) and Bonnie McClellan  
Pholisma arenarium image
J. E.(Jed) and Bonnie McClellan  
Pholisma arenarium image
J. E.(Jed) and Bonnie McClellan  
Pholisma arenarium image
Gerald and Buff Corsi