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Miller, Holmes O.
Mentzelia laevicaulis (Hook.) Torr. & A. Gray
Evening star, Giant blazingstar, Smoothstem blazingstar, Stick leaf
Loasaceae (Blazingstar Family)
USDA Symbol: MELA2
USDA Native Status: L48 (N), CAN (N)
This biennials first year taproot carries a low, broad mound of rough, gray-green, coarsely toothed leaves. The second year, a 4-5 ft. flowering stalk branches out candelabra-fashion with dozens of large, yellow, starry flowers. Each flower is filled with long bunches of yellow stamens and opens from late afternoon until early morning.
There are many species of Mentzelia in the West. They are commonly called Stickleaf because of the leaves barbed hairs that readily cling to fabric.
Plant CharacteristicsDuration: Biennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep
, WY Native Distribution:
Dry areas from s.c. B.C. to s. CA,
e. to MT, WY
& UT Native Habitat:
Sandy, gravelly or talus-covered slopes of mt. canyons
Growing ConditionsLight Requirement: Sun
Soil Description: Gravelly or sandy soils.
Conditions Comments: Not Available
PropagationDescription: Propagate by seeds.
Seed Collection: Not Available
Seed Treatment: Germination is enhanced if seeds are soaked prior to sowing, however seeds of this species will germinate without pretreatment.
Commercially Avail: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2007-01-01
Research By: TWC Staff