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pubescent Lemmon's needlegrass
Scientific Name: Achnatherum lemmonii var. pubescens
Family: Poaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names:
Pubescent Lemmon's Needlegrass
Learn about Pubescent Lemmon's Needlegrass (Achnatherum lemmonii var. pubescens), a graminoid plant native to western North America.
Scientific Classification
- Scientific Name: Achnatherum lemmonii (Vasey) Barkworth var. pubescens (Crampton) Barkworth
- Common Names: Pubescent Lemmon's Needlegrass, Pubescent Needlegrass
- Family: Poaceae (Grass family)
- Kingdom: Plantae
- Synonyms:
- Achnatherum lemmonii (Vasey) Barkworth ssp. pubescens (Crampton) Barkworth
- Stipa lemmonii (Vasey)
- Stipa lemmonii var. pubescens
- Taxonomic Rank: Variety
Morphological Characteristics
- Culms: 15-90 cm tall, 0.7-1 mm thick, can be glabrous (smooth), pubescent (hairy), or tomentose (densely hairy). Nodes 3-4.
- Lemmas: Blunt, coriaceous (leathery), evenly pubescent with hairs 0.4-1 mm long. Apices 1-lobed, lobe about 0.1 mm.
- Sheaths and Culms: Glabrous or pubescent, with hairs up to 0.2 mm, sometimes varying within a population.
Distribution and Habitat
- Native to western North America.
- Found throughout the western United States.
- Flowers in May, with seeds maturing by mid-June in foothills of western regions.
Additional Information
- Pubescent Lemmon's Needlegrass is a perennial bunch grass with a slow growth habit.