provided by North American Flora
Perityle californica Benth. Bot. Voy. Sulph. 23. 1844
A divaricately branched viscid-pubescent annual; stem 1-2 dm. high; leaves petioled,
opposite or alternate; petioles 2-4 cm. long; leaf-blades rhombic-ovate or the upper suborbicular
in outline, triple-ribbed, cuneate or truncate at the base, sparingly pubescent on both sides,
somewhat lobed and coarsely dentate, the lower 3-5 cm. long; peduncles axillary, 1-3 cm. long;
involucre hemispheric, 7-8 mm. broad; bracts oblanceolate, striate, hispid, the inner ones with
scarious margins; ray-flowers 12-15; ligules light-yellow, broadly oblong, 3-toothed, 3 mm. long;
disk-flowers numerous, yellow, glandular-puberulent; achenes barely 2 mm. long, oblong,
hirsute on the callous margins, pubescent on the faces; pappus of a crown of erose lanceolate
squamellae one fourth as long as the achene and a single awn barbellate throughout.
Type locality: Bay of Magdalena, Lower California.
Distribution: Lower California.
- bibliographic citation
- Per Axel Rydberg. 1914. (CARDUALES); CARDUACEAE; HELENIEAE. North American flora. vol 34(1). New York Botanical Garden, New York, NY