Eriodictyon angustifolium

Eriodictyon angustifolium
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Boraginales
Family:	Boraginaceae
Genus:	Eriodictyon
Species:	E. angustifolium
Binomial name
	Eriodictyon angustifolium; Nutt.

Eriodictyon angustifolium, common name narrowleaf yerba santa, is a perennial shrub.

The plant is native to pinyon-juniper woodland habits of western North American deserts. It is found in the Mojave Desert in California, Nevada, & Utah; and in Baja California.

Description

Eriodictyon angustifolium has toothed leaves, about 10 centimeters in length, that are sticky above and hairy below.

The white, five-petaled flowers are in bloom in June &/or July.

Distribution

In Baja California, this plant is found growing in the foothills of the Sierra de Juarez and the Sierra de San Pedro Martir, but it can be found growing further south on the sky islands of the Sierra de la Asamblea and the Sierra de San Borja.[1]

Uses

Eriodictyon angustifolium extract, but not Eriodictyon californicum extract, reduces human hair greying.[2] Sterubin is the most abundant flavonoid in Eriodictyon angustifolium extract.[2]

Dietary eriodictyon angustifolium tea supports prevention of hair graying by reducing DNA damage in CD34+ hair follicular keratinocyte stem cells.[3]

References

Rebman, J. P.; Gibson, J.; Rich, K. (2016). "Annotated checklist of the vascular plants of Baja California, Mexico" (PDF). San Diego Society of Natural History. 45: 83.
Taguchi, N.; Hata, T.; Kamiya, E.; Homma, T.; Kobayashi, A.; Aoki, H.; Kunisada, T. (August 2020). "Eriodictyon angustifolium extract, but not Eriodictyon californicum extract, reduces human hair greying". International Journal of Cosmetic Science. 42 (4): 336–345. doi:10.1111/ics.12620. ISSN 0142-5463. PMID 32324292. S2CID 216085152.
Taguchi, Nobuhiko; Homma, Takumi; Aoki, Hitomi; Kunisada, Takahiro (2020-10-01). "Dietary Eriodictyon angustifolium Tea Supports Prevention of Hair Graying by Reducing DNA Damage in CD34+ Hair Follicular Keratinocyte Stem Cells". Biological and Pharmaceutical Bulletin. 43 (10): 1451–1454. doi:10.1248/bpb.b20-00455. ISSN 0918-6158. PMID 32999155.

External links

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[:2-1] Rebman, J. P.; Gibson, J.; Rich, K. (2016). "Annotated checklist of the vascular plants of Baja California, Mexico" (PDF). San Diego Society of Natural History. 45: 83.

[:0-2] Taguchi, N.; Hata, T.; Kamiya, E.; Homma, T.; Kobayashi, A.; Aoki, H.; Kunisada, T. (August 2020). "Eriodictyon angustifolium extract, but not Eriodictyon californicum extract, reduces human hair greying". International Journal of Cosmetic Science. 42 (4): 336–345. doi:10.1111/ics.12620. ISSN 0142-5463. PMID 32324292. S2CID 216085152.

[3] Taguchi, Nobuhiko; Homma, Takumi; Aoki, Hitomi; Kunisada, Takahiro (2020-10-01). "Dietary Eriodictyon angustifolium Tea Supports Prevention of Hair Graying by Reducing DNA Damage in CD34+ Hair Follicular Keratinocyte Stem Cells". Biological and Pharmaceutical Bulletin. 43 (10): 1451–1454. doi:10.1248/bpb.b20-00455. ISSN 0918-6158. PMID 32999155.