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Streptanthus oliganthus
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Masonic Mountain Jewelflower
( Streptanthus oliganthus )
Streptanthus oliganthus
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More Info at Jepson eFlora
Calflora
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About Masonic Mountain Jewelflower (Streptanthus oliganthus)
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Streptanthus oliganthus
is an uncommon species of flowering plant in the mustard family known by the common name Masonic Mountain jewelflower. It is native to western Nevada and eastern California, where it grows in the rocky hills east of the central Sierra Nevada. Its habitat includes forest, woodland, sagebrush, and mountain talus. It is a rhizomatous perennial herb producing a hairless, waxy, usually unbranched stem up to about 40 or 50 centimeters in maximum height. The basal leaves have lance-shaped, smooth-edged blades up to 10 centimeters long borne on fuzzy to rough-haired petioles. Leaves higher on the stem have shorter blades which may clasp the stem at their bases. Flowers occur at intervals along the upper stem. Each has a bell-shaped calyx of purple sepals no more than a centimeter long. The petals emerging from the tip are reddish purple or purple-tipped. The fruit is a smooth, flat, straight or slightly curved silique up to 8 to 10 centimeters long.
Plant Description
Plant Type
Perennial herb
Size
1.3 - 1.6 ft tall
Flower Color
Purple, Red
Wildlife Supported
Butterflies & moths hosted ( 8
likely
* )
SHOW ALL
*
Sara Orangetip
Anthocharis sara
Anthocharis sara
*
Western White
Pontia occidentalis
Pontia occidentalis
*
Desert Orangetip
Anthocharis cethura
Anthocharis cethura
*
Pearly Marble
Euchloe hyantis
Euchloe hyantis
*
Spring White
Pontia sisymbrii
Pontia sisymbrii
*
Desert Marble
Euchloe lotta
Euchloe lotta
*
Western Sulphur
Colias occidentalis
Colias occidentalis
Landscaping Information
Natural Setting
Climate
Annual Precipitation: 9.8" - 52.1", Summer Precipitation: 1.30" - 2.44", Coldest Month: 25.1" - 33.2", Hottest Month: 47.4" - 60.9", Humidity: 1.94" - 17.44", Elevation: 6537" - 9648"
Alternative Names
Common Names
: Masonic Mtn. Jewel-flower
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Masonic Mountain Jewelflower
Streptanthus oliganthus
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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