Mimosa quadrivalvis var. hystricina (Small ex Britton & Rose) Barneby

Authors

Rupert C. Barneby

Authority

Barneby, Rupert C. 1991. Sensitivae Censitae. A description of the genus Mimosa Linnaeus (Mimosaceae) in the New World. Mem. New York Bot. Gard. 65: 1-835.

Family

Mimosaceae

Scientific Name

Mimosa quadrivalvis var. hystricina (Small ex Britton & Rose) Barneby

Type

190k. Mimosa quadrivalvis var. hystricina (Small) Barneby, comb. nov. Leptoglottis hystricina Small ex Britton & Rose, N. Amer. Fl. 23(3): 139. 1928. "Type from Hemstead [Waller Co.], Texas, May 1, 1872, Elihu Hall 170.    Holotypus, NY!; isotypus, K!  Schrankia hystricina (Small) Standley, Publ. Field Columbian Mus. Nat. Hist., Bot. Ser. 8: 13. 1930. S. nuttallii var. hystricina (Small) Isely, Castanea 51: 205. 1986.

Synonyms

Leptoglottis hystricina Small, Schrankia hystricina (Small ex Britton & Rose) Standl., Schrankia nuttallii var. hystricina (Small ex Britton & Rose) Isely

Description

Variety Description - Except for potentially more vigorous growth and longer peduncles essentially like var. nuttallii, the lf-formula and lft-venation indistinguishable, but the pod at once shorter and broader, very densely aculeate; peduncles mostly 5—12 cm but said to attain 20 cm in fruit; pods 20-45 mm long, without armament 4—5 mm diam., bluntly tetragonal or moderately compressed laterally, the replum 2-2.5 mm and valves 2.5-3.5 mm wide, all armed with erect, crowded, basally confluent aculei to 2.5-5.5 mm.

Distribution and Ecology - In moist sandy prairies and open pinewoods of the Gulf coastal plain in e. Texas and w. Louisiana, in Texas randomly inland an unknown distance (Isely, 1973, map 45), the limit uncertain due to difficulty in distinguishing flowering plants from vicariant var. nuttallii.— Fl. IV-VII.

Discussion

Distribution

United States of America North America| Texas United States of America North America| Louisiana United States of America North America|