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Orcutt's threeawn
Scientific Name: Aristida schiedeana var. orcuttiana
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Orcutt's Threeawn (Aristida schiedeana var. orcuttiana)
Orcutt's threeawn is a native perennial grass that adds a graceful touch to any landscape. Its weeping panicles drape outwards, creating an attractive visual effect.
Considerations for Pets
- This plant has awns, which are bristle-like appendages. The lateral awns are noted as being shorter than 3mm.
Taxonomy and Nomenclature
- Scientific Name: Aristida schiedeana Trin. & Rupr. var. orcuttiana (Vasey) Allred & Valds-Reyna
- Common Name: Orcutt's threeawn
- Family: Poaceae (Grass family)
- Rank: Variety
- Synonym: Aristida schiedeana var. orcuttiana (Vasey) Allred & Valds-Reyna
- Other Common Names: Single Threeawn, Beggar-tick Threeawn
- Symbol: ARSCO
Distribution and Habitat
- Native to California.
- Also found in New Mexico.
- Reported occurrences in Florida and surrounding Key West.
Morphological Characteristics
- Perennial grass with a graminoid growth habit.
- Lateral awns are shorter than 3mm.
- The first glume is longer than the second.
- Typically grows to approximately 50 cm tall.
Quirky Facts
- Orcutt's Threeawn was documented on September 18th, 2002 (day 261 of the year) with branches described as "naked" and growth as "scattered".
Related Species
- Aristida gypsophila (Gypsum Threeawn)
- Aristida mohrii (Mohr's Threeawn)
- Aristida dichotoma var. dichotoma (Churchmouse Threeawn)
- Aristida divaricata
- Aristida spiciformis (Bottlebrush Threeawn)
- Aristida stricta (Pineland Threeawn)
- Aristida purpurea (Purple Threeawn)
Additional Information
- Part of the El Morro National Monument flora (at least 391 plant species in 219 genera and 61 families).