Miscellaneous PublicationU.S. Department of Agriculture, 1942 - Agriculture |
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Acad achenes anthers Apache County apex Arts and Sci awns axillary basal base bracts branches calyx capsule carpels Club Bul Cochise and Pima Cochise County Coconino County Colorado commonly conspicuously Contrib corolla dense elongate Engelm erect flowers fruit Gila glabrous glumes Gray Greene Greenlee hairs Herbarium inflorescence involucre Kearney and Peebles lanceolate leaf blades leaflets leaves lemma less linear lobes Maricopa mesas Mexico Mohave County narrowly Navajo County nearly North Amer northern Mexico nutlets Nutt oblong ovary ovate panicles pedicels peduncles perianth petals petioles phyllaries Pima Counties Pinal pinnate pistillate Plants annual Plants herbaceous Plants perennial pods Proc puberulent pubescent racemes rocky Rydb San Francisco Peaks seeds sepals sessile shrub slender slopes solitary Sonora south to Cochise southern Arizona species spikelets spikes stamens Standl stems Torr Torrey Bot tube U. S. Natl usually Wats Western Texas whitish wide Yavapai County yellow Yuma