Nissolia hintonii Sandwith

• Authority

  Rudd, Velva E. 1956. A revision of the genus Nissolia. Contr. U. S. Natl. Herb. 32: 173-206.

• Family

  Fabaceae

• Scientific Name

  Nissolia hintonii Sandwith

• Type

  Type locality: Carboneras, Temascaltepec, Mexico. Type collected by Hinton (No. 2334); isotypes cited below.

• Description

  Description - Twining vine, the stems conspicuously beset with glandular setae, otherwise glabrous; stipules lanccate to ovate, glandular-denticulate, acuminate, 5-9 mm. long, 1-2 mm. wide; leaves about 4-8 cm. long, glandular-setose toward the base of the petiole; leaflets orbicular to elliptic, or sometimes obovate, 10-60 mm. long, 6-35 mm. wide, obtuse, sometimes retuse, mucronate, the base rounded, glabrous on both surfaces; inflorescences racemose, sometimes paniculate, manyflowered, the peduncles and sometimes the pedicels conspicuously setose, the pedicels 6-11 mm. long; flowers 12-15 mm. long, the standard slightly recurved; calyx 6-7 mm. long, the tube about 4 mm. long, 4-5 mm. in diameter, ciliate and beset with a few glandular setae, otherwise glabrous, the teeth subulate, 2-3 mm. long; fruit 3-4.3 cm. long, 2- or 3-articulate, pubescent, somewhat glabrate, the lower portion beset with glandular setae, the stipe 1.5-2.5 mm. long, the fertile articles 5-10 mm. long, 4-8 mm. wide, the terminal, sterile article 15-20 mm. long, 10-15 mm. broad; seeds about 6 mm. long and 4 mm. wide.

• Discussion

  The most conspicuous feature of this species is the setose inflorescence, which is usually a long raceme or panicle. The flowers are fairly large for the genus and the leaflets often are large.