Logfia filaginoides

Logfia filaginoides (formerly Filago californica),[1] also called herba impia or cottonrose, is a small annual plant in the sunflower family (Asteraceae), found in the Southwestern United States.[2]

Logfia filaginoides
Logfia filaginoides, California cottonrose.
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Logfia
Species:
L. filaginoides
Binomial name
Logfia filaginoides
(Hook. & Arn.) Morefield
Synonyms

Filago californica (Nutt.) Holub

Range and habitat

It grows throughout Southern California to Texas and Mexico.[2] In the Mojave Desert, it grows in creosote bush scrub and Joshua tree woodlands.[2]

Growth pattern

It is a hairy, erect, annual plant growing between 2" and 12" tall.[2]

Leaves and stems

Its 1/2- to 3/4-inch-long leaves are attached to the stems without a little stem (petiole) at the bottom of the leaf (sessile).[2]

Flowers

The 1/8-inch flower heads are surrounded by upper leaves of about the same length as the head.[2] Each head has tiny reddish-purple disk flowers with the outer 8–10 being all female.[2]

Fruits

Fruits are tiny, flattened achenes with a ring of pappus bristles, falling off as a unit.[2]

References
  1. Mojave Desert Widlflowers, 2nd E. 2013, p. 314
  2. Mojave Desert Widlflowers, 2nd ed. 2013, p 266
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