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Castilleja rubicundula

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Castilleja rubicundula
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Castilleja
Species:
C. rubicundula
Binomial name
Castilleja rubicundula
(Jepson) Chuang & Heckard
Synonyms

Orthocarpus rubicundula

Castilleja rubicundula is a species of Indian paintbrush known by the common name cream sacs. It is native to northern California and southwestern Oregon. It is found in coastal and inland grasslands.

Description

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Castilleja rubicundula is a hairy, glandular annual growing to about half a meter in height, the stem leafy with lance-shaped foliage.

It produces a terminal inflorescence and sometimes branches off several more inflorescences. The white, pink, yellow, or bicolored flowers are divided into usually three pouches, making them look inflated. Each pouch is about a centimeter wide and half a centimeter deep. Each flower has a beak extending about half a centimeter above the pouches.

The fruit is a capsule containing tiny seeds less than a millimeter long. Under magnification the seed's honeycomb-patterned coat is visible.

Subspecies

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Subspecies and varieties include:[1]

  • Castilleja rubicundula ssp. lithospermoides
  • Castilleja rubicundula ssp. rubicundulaendemic to the Sacramento Valley, California.[2]
  • Castilleja rubicundula var. rubicundula

Distribution and habitat

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This annual wildflower is native to northern California, and into southwestern Oregon. It lives on coastal and inland grasslands.[3]

References

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  1. ^ "USDA Plants Database". plants.usda.gov.
  2. ^ "Castilleja rubicundula ssp. rubicundula Calflora". www.calflora.org.
  3. ^ "UC/JEPS: Jepson Manual treatment for CASTILLEJA rubicundula". ucjeps.berkeley.edu.
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