Family: Asteraceae
Compound: Xan spi
Synonyms: Amellus spinulosus, Machaeranthera spinulosus, Aster pinnatifidus, Dieteria
spinulosa, Diplopappus pinnatifidus, Eriocarpum australe, Eriocarpum spinulosum, Eriocarpum
wootonii, Haplopappus coulteri, Haplopappus spinulosus, Haplopappus spinulosus spinulosus,
Haplopappus spinulosus subsp. australis, Haplopappus spinulosus subsp. cotulus, Haplopappus
spinulosus subsp. glaberrimus, Haplopappus spinulosus subsp. incisifolius, Haplopappus
spinulosus subsp. laevis, Haplopappus spinulosus subsp. spinulosus, Haplopappus spinulosus
var. canescens, Haplopappus spinulosus var. glaber, Haplopappus spinulosus var. glaberrimus,
Haplopappus spinulosus var. turbinellus, Haplopappus texensis, Machaeranthera australis,
Machaeranthera laevis, Machaeranthera pinnata, Machaeranthera pinnatifida,
Machaeranthera pinnatifida subsp. pinnatifida, Machaeranthera pinnatifida var. incisifolia,
Machaeranthera pinnatifida var. pinnatifida, Machaeranthera texensis, Sideranthus australis,
Sideranthus cotula, Sideranthus glaberrimus, Sideranthus laevis, Sideranthus machaeranthera,
Sideranthus machaerantherus, Sideranthus puberulus, Sideranthus spinulosus, Sideranthus
spinulosus var. glaberrimus, Sideranthus turbinellus, Sideranthus wootonii, Starkea pinnata
Geographic Origin: C-S Canada, C, SW US, Mexico
Characteristics: A small, between 10-100cm (4-39in) tall herbaceous perennial with a woody
base. Stems and leaves may be smooth or hairy. Leaves are narrow, with large serrations on the
edges. Each tooth is tipped with a hair giving the teeth a very sharp appearance. Flowers are
composites with an overall yellow color. Seeds are wind dispersed.
Natural History: Grows from 305-1676m (1,000-5,500ft) on hillsides, flat plains and atop mesas.
Blooms from spring to early summer.
Cultivation Notes: There is little information about the propagation of this species available. It is
not typically sold at nurseries. Try collecting wild seed and spreading it on the surface of the soil
in a pot and watering frequently or directly in the ground during the rainy season. Tolerates
poor soils and partial to full sun.
For general plant propagation information, click here
Ethnobotany: Used on headaches
Citations:
SEINET Arizona - New Mexico Chapter
https://swbiodiversity.org/seinet/taxa/index.php?taxon=16301#
Inaturalist
https://www.inaturalist.org/taxa/79542-Xanthisma-spinulosum