HIGHLIGHTS
- who: Bothalia et al. from the (UNIVERSITY) have published the research: 4: botanicum: (1841) Cronquist: (1981), in the Journal: (JOURNAL) of 22/03/1957
SUMMARY
A. gracilispina Engelm. ex Trel.; 234..4. melliflua Trel.: 234. Trelease s.n. The little variation encountered during field observations occurs primarily in the size of plants, depending on age, crowding, or on in dividual sites. A. americana flowers in midsummer (late December, Janu ary and early February) in southern Africa. A. americana occurs in Arizona and Texas in the south ern United_States of America and in Baja . . .
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