Botanical Name : Hymenoxys richardsonii
Family: Asteraceae
Genus: Hymenoxys
Species:H. richardsonii
Kingdom:Plantae
Order: Asterales
Synonyms:
*Picradenia richardsonii Hook. 1833
*Actinea richardsonii (Hook.) Kuntze
*Actinella richardsonii (Hook.) Nutt.
*Hymenoxys floribunda (A.Gray) Cockerell
*Hymenoxys olivacea Cockerell
Common Names: Pingue Hymenoxys, Pingue rubberweed, Colorado rubberweed
Habitat :Hymenoxys richardsonii is native to Western N. America – Colorado to Saskatchewan and Alberta. It grows on dry, open often rocky hillsides and plains.
Description:
Hymenoxys richardsonii is a polycarpic, perennial sub-shrub or herbaceous perennial plant, usually 7-40 cm tall, with a multi-branched woody base. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.
Stem is distally branched or multi-stemmed at the woody caudices, normally about 20+cm, either smooth or hairy with uniform coloring.
Leaves are sually divided into 3 linear lobes, rarely simple, smooth or hairy, with an even scattering of small resin glands. Leaves concentrated around the base of the stems.
Inflorescence/flowers are several or many radiate yellow heads, involucres in series of 2 or more with stiff phyllaries with the outer phyllaries united at base; yellow ray flowers, papery yellow disc flowers.
Fruits are 2-3 mm achene topped with white translucent aristate pappus scales.
Varieties:
*Hymenoxys richardsonii var. floribunda (A.Gray) K.F.Parker – Arizona, Colorado, New Mexico, Texas, Utah
*Hymenoxys richardsonii var. richardsonii – Alberta, Saskatchewan, Colorado, Montana, North Dakota, Utah, Wyoming
Cultivation:
We have almost no information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most parts of the country. It is likely to require a sunny position in a dry to moist well-drained soil.
Propagation:
Seed – we have no information on this species but suggest sowing the seed in late winter or early spring in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division.
Edible Uses: Gum…..A latex obtained from the root is used as a chewing gum. The skin of the root is used, the gum is obtained by pounding the roots.
Medicinal Uses: Poultice; Stomachic.
An infusion of the roots has been used in the treatment of stomach aches. A poultice of the chewed root has been applied as a dressing on sores and rashes. Among the Zuni people of New Mexico, a poultice of the chewed root applied to sores and rashes, and an infusion of the root is used for stomachache.
Other Uses: …Dye; Gum; Latex…..The latex obtained from the root is a potential commercial source of rubber. A yellow dye is obtained from the flowers
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.
Resources:
https://en.wikipedia.org/wiki/Hymenoxys_richardsonii
http://jan.ucc.nau.edu/plants-c/bio414/species%20pages/Hymenoxys%20richardsonii%20.htm
http://www.pfaf.org/user/Plant.aspx?LatinName=Hymenoxys+richardsonii
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