Pediocactus simpsonii subsp. bensonii
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Pediocactus simpsonii subsp. bensonii |
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| Pediocactus simpsonii subsp. bensonii | ||||||||||||
| Hochstätter |
Pediocactus simpsonii subsp. bensonii is a subspecies of the plant species Pediocactus simpsonii in the cactus family(Cactaceae). The specific epithet honors the American botanist Lyman Benson . English common names are "Benson's Cactus" and "Tennisball Cactus".
description
Pediocactus simpsonii subsp. bensonii grows solitary and pressed spherically. It reaches heights and diameters of 2 to 9 cm.
The bell-shaped, hermaphrodite flowers have a length and a diameter of 1 to 2 cm. The bracts are yellow, white or pink in color. The flowering period extends from May to June.
In all dimensions it is smaller than the subspecies Pediocactus simpsonii subsp. simpsonii .
Systematics and distribution
Pediocactus simpsonii subsp. bensonii grows in the states of Colorado , New Mexico , Utah and Wyoming in the Rocky Mountains in Juniper-Pinyon forests in humus soil on south-facing well-drained slopes at altitudes between 2200 and 3000 meters. This subspecies often grows together with Escobaria vivipara , Echinocereus triglochidiatus , Opuntia polyacantha , Opuntia fragilis and Yucca glauca .
It is hardy to minus 20 ° C when dry . Real-root cultivation is possible in Europe. The typical subspecies Pediocactus simpsonii subsp. bensonii is rare in the collections.
The description as Pediocactus simpsonii subsp. bensonii was made in 1995 by Fritz Hochstätter.
photos
Pediocactus simpsonii subsp. bensonii :
Cristate Form in Utah.
Deep in the ground with bloom in Utah.
literature
- Fritz Hochstätter (Ed.): At the locations of Pediocactus and Sclerocactus . Self-published, 1989.
- Fritz Hochstätter (Ed.): To the habitats of Pediocactus and Sclerocactus . Self-published, 1990.
- Fritz Hochstätter (Ed.): The Genera Pediocactus, Navajoa, Toumeya . Self-published, 1995.
- Fritz Hochstätter (Ed.): The Genera Pediocactus, Navajoa, Toumeya . English with a German summary. Self-published, 2007, ISBN 978-3-000212444 .
Individual evidence
- ↑ Pediocactus simpsonii subsp. bensonii . In: The Genera Pediocactus, Navajoa, Toumeya. 2007. ISBN 978-3-000212444 . P. 28–29, photo material p. 29, photo material p. 152–155, p. 349, first description p. 310
- ^ The Genera Pediocactus, Navajoa, Toumeya . 1995, p. 46.
Web links
- Pediocactus simpsonii subsp. bensonii with field number list