Thompson's stickleaf
NameThompson's stickleaf
Scientific NameMentzelia thompsonii
Common NamesThompson's stickleaf, Thompson's blazingstar
Plant FamilyLoasaceae
Natural HabitatNative to arid and semi-arid regions of the southwestern United States, thriving in sandy or gravelly soils, desert washes, and disturbed areas.
Parts Usedleaf,flower,whole_plant
Medicinal Actionsanti-inflammatory,astringent,demulcent,carminative
Traditional UsesTraditionally, various Mentzelia species, including Thompson's stickleaf, have been used by indigenous peoples. Leaves and stems were often prepared as poultices for skin irritations, sores, and swellings. Decoctions were sometimes consumed for stomach ailments or as a general tonic, and seeds were occasionally ground into flour for food.
Active Constituentsflavonoids, tannins, mucilage
Preparation Methodsinfusion,decoction,poultice
Contraindications & WarningsDue to the barbed hairs (glochids) on the leaves, direct contact can cause skin irritation. Lack of extensive modern research means caution is advised, especially for internal use.
Cultivation NotesPrefers full sun exposure and well-drained, sandy or gravelly soils. It is drought-tolerant once established and can be propagated from seed.
Rarityuncommon
Description
This is an annual or biennial herbaceous plant, typically growing 10-50 cm tall, characterized by lanceolate to ovate leaves covered in stiff, barbed hairs. It produces bright yellow, five-petaled flowers in terminal or axillary clusters.
