Overview

Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: Southeast Alaska to California and Wyoming.

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Ecology

Habitat

Comments: Wet open areas and woods.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Mimulus lewisii

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Reasons: Common to occasional in western North America, with thousands of occurrences.

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Wikipedia

Mimulus lewisii

Mimulus lewisii (Lewis' monkeyflower, great purple monkeyflower) is a perennial plant in the family Phrymaceae. It is named in honor of explorer Meriwether Lewis. Together with other species in Mimulus section Erythranthe, it serves as a model system for studying pollinator-based reproductive isolation.

Description[edit]

Mimulus lewisii is a perennial herb, with stem length ranging from 25-80 cm and individual leaves ranging from 20-70 mm. The vegetative tissue is covered with fine hairs. The flowers are medium in size, set on fairly long (30-70 mm) pedicels, and range in color from pale pink (generally found in the Sierra Nevada populations) to dark magenta (more common in the Cascade Range and Rocky Mountains populations), with a central pair of carotenoid-rich yellow nectar guides covered in trichomes on the lower lobe of the corolla. Occasional populations of white-flowered individuals (which do not express anthocyanin pigments in the corolla) are known.[1][2][3]

Distribution[edit]

Mimulus lewisii is native to western North America from Alaska to California to Colorado, where it grows in moist habitat such as streambanks, and is generally found at higher elevations in montane areas. It overlaps with its sister species, Mimulus cardinalis, in the Sierra Nevada mountains in California.

Pollination[edit]

Mimulus lewisii is pollinated by bees (primarily Bombus and Osmia), which feed off of its nectar and transfer its pollen. Although it is fully interfertile with its sister species, Mimulus cardinalis, the two do not interbreed in the wild, a difference ascribed primarily to pollinator differences (M. cardinalis is pollinated by hummingbirds) in areas of overlap.[4] Traits affecting pollinator preference between these two species are currently under study, with evidence strongly linking this preference to color differences between the species.[5]

See also[edit]

References[edit]

  1. ^ White Mimulus lewisii from Alpine Co., CA
  2. ^ White Mimulus lewisii from eastern Oregon
  3. ^ White Mimulus lewisii at Crater Lake, OR (site in French)
  4. ^ Schemske & Bradshaw 1999
  5. ^ Bradshaw & Schemske 2003
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