Status:
valid
Authors:
Torr. & A.Gray
Source:
gcc
Year:
1842
Citation Micro:
Fl. N. Amer. 2(2): 189 (1842)
WFO Identifier:
wfo-0000032646
Common Names
- Aphanostephus riddellii
- Riddell's Aphanostephus
- Riddell's Star-thistle
Description
Aphanostephus riddellii (also called Riddell's Thoroughwort, among many other common names) is an annual herbaceous plant native to the south-central United States. It has a branching stem and small white flower heads. It typically grows in dry, sandy soils, as well as in open woodlands and prairies.
Uses & Benefits
Aphanostephus riddellii is used as a medicinal plant and for soil erosion control.
Flower, Seeds and Seedlings
The Aphanostephus riddellii flower is a yellow, daisy-like flower. Its seeds are small and black. The seedlings have a single pair of leaves that are linear and lanceolate.
Cultivation and Propagation
Aphanostephus riddellii is a perennial plant native to California and Baja California. It is a low-growing plant with small, yellow flowers that bloom in the summer. It is easy to propagate from seed and cuttings. It prefers full sun and well-drained soil. It is drought tolerant and can tolerate some frost.
Where to Find Aphanostephus riddellii
Aphanostephus riddellii is found in the south-central United States.
Aphanostephus riddellii FAQ
What are the common names of Aphanostephus riddellii?
Common names of Aphanostephus riddellii include Riddell's Star-grass and Riddell's Star-rush.
What is the growth habit of Aphanostephus riddellii?
Aphanostephus riddellii is a perennial grass-like herb with a tuft of basal leaves and a flowering stem up to 1 m tall.
What is the range of Aphanostephus riddellii?
Aphanostephus riddellii is native to the south-central United States.
Species in the Aphanostephus genus
Species in the Asteraceae family
Aaronsohnia pubescens,
Aaronsohnia factorovskyi,
Abrotanella filiformis,
Abrotanella rostrata,
Abrotanella linearis,
Abrotanella trilobata,
Abrotanella muscosa,
Abrotanella inconspicua,
Abrotanella trichoachaenia,
Abrotanella caespitosa,
Abrotanella nivigena,
Abrotanella pusilla,
Abrotanella linearifolia,
Abrotanella papuana,
Abrotanella rosulata,
Abrotanella emarginata,
Abrotanella fertilis,
Abrotanella spathulata,
Abrotanella purpurea,
Abrotanella patearoa,
Abrotanella submarginata,
Abrotanella diemii,
Abrotanella scapigera,
Abrotanella forsterioides,
Acamptopappus shockleyi,
Acamptopappus sphaerocephalus,
Acanthocephalus benthamianus,
Acanthocephalus amplexifolius,
Acanthocladium dockeri,
Acanthodesmos distichus,
Acanthodesmos gibarensis,
Acanthospermum humile,
Acanthospermum consobrinum,
Acanthospermum glabratum,
Acanthospermum microcarpum,
Acanthospermum hispidum,
Acanthospermum australe,
Acanthospermum lecocarpoides,
Acanthostyles buniifolius,
Acanthostyles saucechicoensis,
Achillea buiana,
Achillea conrathii,
Achillea cucullata,
Achillea styriaca,
Achillea clavennae,
Achillea cappadocica,
Achillea huber-morathii,
Achillea ptarmicoides,
Achillea sieheana,
Achillea barrelieri,