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Calochortus tiburonensis
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Tiburon Mariposa Lily
( Calochortus tiburonensis )
Calochortus tiburonensis
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Tiburon Mariposa Lily (Calochortus tiburonensis)
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Calochortus tiburonensis
(also known as the Tiburon Mariposa Lily) is a rare member of the genus Calochortus in the family Liliaceae. It was first brought to the attention of science in 1971, and written up in the botanical literature in 1973.
Calochortus tiburonensis
is endemic to a single serpentine outcrop in California's Marin County. It grows on serpentine-derived soil atop this outcrop in grasslands from 0-200 meter. on Ring Mountain. It is considered threatened due to loss of surrounding habitat to recreational activities, to competition from invasive species, to its proximity to a dense population center, and to its confinement to a single population of plants. The population grows on land owned by the Marin County Open Space District.
Calochortus tiburonensis
is a perennial growing from a bulb to 10-60 centimeter in height with a single leaf. It produces anywhere from 2 to 7 erect flowers annually on a branching stem. The ciliate, light yellow-green petals are streaked with purplish-brown. When mature, ovaries form capsules full of small, dark brown seeds.
Plant Description
Plant Type
Perennial herb
Size
0.33 - 2 ft tall
Flower Color
Cream, Brown, Purple, Yellow, Green
Wildlife Supported
Butterflies & moths hosted ( 1
likely
* )
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*
Orange Tortrix Moth
Argyrotaenia franciscana
Argyrotaenia franciscana
Landscaping Information
Sun
Full Sun
Natural Setting
Site Type
grassy places
Climate
Annual Precipitation: 30.1" - 31.5", Summer Precipitation: 0.27" - 0.28", Coldest Month: 49.1" - 49.5", Hottest Month: 64.5" - 65.6", Humidity: 1.35" - 10.63", Elevation: 356" - 531"
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Tiburon Mariposa Lily
Calochortus tiburonensis
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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