International Succulent Introductions
Plant Introductions of the Huntington Botanical Gardens
(published in the Cactus and Succulent Journal)
Vol. 74 (2), March - April, 2002
ISI 2002-1. Espostoa sp.
This is a dwarf species allied to E. senilis and E. mirabilis. Like the latter, the juvenile growth is covered with long hair-like spines which soon give way to shorter, mature spination. In E. mirabilis this hair-like spination is present only in seedlings, while in this offering even rooted cuttings seem to revert to this neotenic condition. While E. senilis has pure white spination, in this species it is peppered with brown. Rooted cuttings of HBG 18707 (UCBG 64.768) grown from seed collected Aug. 9, 1964, by Paul Hutchison (# 6230), J. K. Wright and R. M. Straw along the road to Buldibuyo, on the east side of the Río Marañon, 5 km. above Chaqual, Prov. Pataz, Dept. La Libertad, Peru. $7.50.
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