Comprehensive Description
provided by North American Flora
Polygala purpusii Brand. Univ. Calif. Publ Bot. 4: 88. 1910.
Fruticulose, several-stemmed, branched, erect, up to 2.5 dm. high, densely pilosulous with incurved-spreading hairs, the younger parts canescent; leaves oval to oblong-oval, rarely orbicular, 9-14 mm. long, 4-11 mm. wide, acute to obtuse or rounded at both ends, incurvedspreading-pubescent; racemes terminal, sessile or short-peduncled, up to 4.5 cm. long, loosely 10-13-flowered; flowers purplish, exceeding the pedicels, these equaling the narrowly lanceolate bracts; upper sepal herbaceous, persistent, 3 mm. long; lower sepals petaloid, oblong-obovate, purplish, deciduous, not clawed, 3.5 mm. long, 1.4 mm. wide; wings obovate-oval, 4.7 mm. long, 2.8 mm. wide, barely retuse; keel whitish with yellowish tip, 3 mm. long; capsule suborbicular, sparsely incurved-pubescent above, 3 mm. in diameter; seed plump-obovoid, pilose,
2.5 mm. long; aril glabrous, 1.2 mm. long, the 2 lobes oval, appressed.
Type locality: Aeatitlan, Puebla. Distribution: Known only from the type locality.
- bibliographic citation
- John Kunkel Small, Lenda Tracy Hanks, Nathaniel Lord Britton. 1907. GERANIALES, GERANIACEAE, OXALIDACEAE, LINACEAE, ERYTHROXYLACEAE. North American flora. vol 25(1). New York Botanical Garden, New York, NY
