Thelesperma filifolium
stiff greenthread, greenthread
Family
Asteraceae
Leaf Arrangement
cauline
Leaf Shape
linear, lanceolate, oblanceolate
Growth Form
forb
Flower Color
yellow
Flower Month
May - July
Height (meters)
0.2 - 0.7
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
annual, perennial
Field Characters
The inner whorl of phyllaries is translucent, allowing the colors of the developing flowers to be seen.The common name greenthread, refers to the thread-like appearance of the foliage.
Animal Use
Many butterflies feed on this nectar plant that blooms profusely from April to June.
Habitat
Prefers disturbed sites in dry, sandy or gravelly soil.