Lobivia chionanthus Spegazzini

Echinocactus chionanthus Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 499. 1905.

Plants elliptic to short-cylindric, grayish green, 6 to 7.5 cm. high, 5 to 6 cm. in diameter; ribs 13 to 15, low, rounded; areoles elliptic; spines 7 to 9, subulate, straight, grayish, all radial, somewhat appressed, 1.5 to 2 cm. long; flowers from the upper part of the plant, but not central, 4.5 cm. long; inner perianth-segments white; style green; stigma-lobes 13, white; scales on ovary and flower-tube cartilaginous, subspinescent, reflexed at apex; flower-tube with a ring of dense brown hairs near the base within.

Type locality: Near Cachi, province of Salta, Argentina.

Distribution: Known only from type locality.

Of this relationship are flowers collected by A. Dominguez from the Cerro de Macha, Córdoba, Argentina; in these specimens the scales are long, linear, chartaceous, and erect; the flowers are 5 to 6 cm. long; the outer perianth-segments and often the inner have acuminate or mucronate chartaceous tips. (For further discussion see Echinocactus spiniflorus, page 178.)

Figure 77 is from a photograph contributed by Dr. Spegazzini.

Fig. 78.—Lobivia chionanthus. Fig. 78.—Lobivia grandis.

Continue reading here: Lobivia grandis sp nov

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