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Howell's Pseudosaxifrage

Micranthes howellii (Greene) Small

Comprehensive Description

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Micranthes howellii (Greene) Small
Saxifraga Howellii Greene, Pittonia 2 : 163. 1897.
Leaves ascending or spreading, 1.5-4 cm. long, the blades relatively thin, cuneate or oblong-cuneate, sharply dentate or serrate -dentate, inconspicuously ciliolate, narrowed into slender petiole-like bases; scapes typically solitary, 8-17 cm. tall, glabrous or nearly so, corymbose above; cymules few-flowered, open, the peduncles and pedicels very slender; sepals oblong or ovate-oblong, 1-1.5 mm. long, glabrous, reflexed; petals white, sometimes drying purplish, oblong, 2.5-3 mm. long, clawless ; filaments subulate, very slender; follicles 2.5-3 mm. high, green, the short tips widely spreading.
Type locality : On the Coquell River, Oregon. Distribution : Oregon.
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bibliographic citation
John Kunkel SmaII, Per Axel Rydber, Nathaniel Lord Britton, Percy Wilson, Henry Hurd Rusby. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(2). New York Botanical Garden, New York, NY
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Micranthes howellii

provided by wikipedia EN

Micranthes howellii (formerly Saxifraga howellii) is a species of saxifrage[1] known by the common name Howell's saxifrage.[2] It is endemic to the Klamath Mountains of southern Oregon and northern California, where it grows in moist, rocky habitat. It is a perennial herb growing from a caudex, usually with a rhizome system. It produces a basal rosette of leaves with rounded or oval blades edged with dull or sharp teeth or scalloping. Each leaf is up to 6 centimeters long, thick and fleshy, and borne on a short petiole. The inflorescence arises on an erect peduncle up to 20 centimeters tall. An array of branches bear several flowers with small white petals.

References

  1. ^ Malcolm McGregor. Saxifrages: A Definitive Guide to the 2000 Species, Hybrids & Cultivars. Timber Press, 2008. p. 319. ISBN 9780881928808
  2. ^ Umberto Quattrocchi. CRC World Dictionary of Plant Names: Common Names, Scientific Names, Eponyms. Synonyms, and Etymology. CRC Press, 1999. p.2395-2396. ISBN 9780849326738

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Micranthes howellii: Brief Summary

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Micranthes howellii (formerly Saxifraga howellii) is a species of saxifrage known by the common name Howell's saxifrage. It is endemic to the Klamath Mountains of southern Oregon and northern California, where it grows in moist, rocky habitat. It is a perennial herb growing from a caudex, usually with a rhizome system. It produces a basal rosette of leaves with rounded or oval blades edged with dull or sharp teeth or scalloping. Each leaf is up to 6 centimeters long, thick and fleshy, and borne on a short petiole. The inflorescence arises on an erect peduncle up to 20 centimeters tall. An array of branches bear several flowers with small white petals.

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