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attenuate Indian paintbrush
Scientific Name: Castilleja attenuata
Family: Scrophulariaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Castilleja attenuata - Attenuate Indian Paintbrush
Castilleja attenuata is a species of Indian paintbrush, also known by the common names attenuate Indian paintbrush and valley tassels. It is also referred to as Narrow-leaf Owl-clover and Narrowleaf Paintbrush.
Taxonomy and Nomenclature
- Scientific Name: Castilleja attenuata (A . Gray) T.I. Chuang & Heckard
- Synonym: Orthocarpus attenuatus
- Family: Scrophulariaceae (Figwort Family) / Orobanchaceae
- Genus: Castilleja
- Species: attenuata
Distribution and Habitat
Castilleja attenuata is native to western North America. An observation was specifically mentioned from along the Horsethief Butte Trail.
Morphological Characteristics and Growth Habits
- Habit: Herb
- Duration: Annual
- Bloom Period: April-June
- It needs regular watering, letting the soil dry between watering.
Interactions with Other Organisms
- The Black-chinned Hummingbird (Archilochus alexandri) is known to feed on Castilleja attenuata.
Further Information
- Information available at California Academy of Sciences.
- Encyclopedia of Life
- ASU Vascular Plant Herbarium