Echinopsis aurea sp nov

Plants solitary, small, globular to short-cylindric, 5 to 10 cm. high; ribs 14 or 15, acute on the edge, separated by deep intervals; areoles when young filled with short brown wool; radial spines about 10, I cm. long; central spines usually , much stouter than the radials, often flattened, 2 to 3 cm. long: flowers from the side of the plant; flower-tube slightly curved, funnelform, greenish white, its scales ovate-linear, 4 to 6 mm. long, pale green but reddish at base, their axils filled with black and white hairs; flower-bud cm. long, when young covered with long silky hairs; expanded flower 8 cm. broad, the perianth-segments in about 3 series, lemon-yellow, the inner ones deeper colored, about 20. oblong, mucronately tipped; filaments in 2 series, the upper series attached at the top of the throat, stiff and erect, exserted; the lower series inserted near the base of the throat, included; style green, very short and included, only 3 cm. long; stigma-lobes linear, cream-colored; scales on ovary small, their axils filled with long hairs; fruit not known.

Collected by Dr. Rose near Cassafousth, Córdoba, Argentina, in 1915 (No. 21046) and flowered in the New York Botanical Garden, May 6, 1916.

Plate x, figure 1, shows the plant in flower.

Continue reading here: Echinopsis bridgesii Salm Dyck Cact Hort Dyck 1849 181 1850

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