Hackelia diffusa | |
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Hackelia diffusa flowering near Wenatchee, Washington | |
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Almost ripe nutlets of Hackelia diffusa var. arida | |
Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Boraginales |
Family: | Boraginaceae |
Genus: | Hackelia |
Species: | H. diffusa |
Binomial name | |
Hackelia diffusa | |
Synonyms [1] | |
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Hackelia diffusa is a species of flowering plant in the family Boraginaceae known by the common name spreading stickseed. [1] [2] [3]
The plant grows east of the Cascades in British Columbia, Washington and Oregon. [4] Its habitats include rocky cliffs, talus slopes, and shrub steppe. [5]
Hackelia diffusa is a perennial herb from 20 to 70 cm (7.9 to 28 in) tall. The lower part of the plant is covered with spreading, stiff hairs, while the upper has appressed hairs. [4]
It has an inflorescence of false-racemes with numerous white flowers that have a yellow center. The boom period is from May to July. The fruits are clusters of four nutlets that have marginal and intramarginal prickles. [4]