Eriophyllum congdonii

Eriophyllum congdonii, known by the common name Congdon's woolly sunflower,[1] is a rare California species of flowering plant in the aster family.

Eriophyllum congdonii
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Heliantheae
Genus:
Eriophyllum
Species:
E. congdonii
Binomial name
Eriophyllum congdonii

Distribution

Eriophyllum congdonii is native to the mountains of central Mariposa County, California, where it grows along the valley of the Merced River as it flows through Yosemite National Park. One additional population has been reported on the east flank of Telescope Peak in Inyo County.[1]

Description

Eriophyllum congdonii is an annual herb growing mostly erect with branching stems up to 30 centimeters (1 foot) long. The woolly, whitish leaves are 1 to 4 centimeters (0.4-1.6 inches) long and may have a few shallow lobes.[2][3]

The inflorescence consists of one flower head containing many glandular yellow disc florets surrounded by 8 to 10 yellow ray florets each 3 to 5 millimeters (0.12-0.20 inches) long.[2]

The fruit is a rough-haired achene with a tiny, scaly pappus.[2]

gollark: > Behind the scenes, Rayon uses a technique called work stealing to try and dynamically ascertain how much parallelism is available and exploit it. The idea is very simple: we always have a pool of worker threads available, waiting for some work to do. When you call join the first time, we shift over into that pool of threads. But if you call join(a, b) from a worker thread W, then W will place b into its work queue, advertising that this is work that other worker threads might help out with. W will then start executing a.
gollark: >
gollark: Maybe I should actually benchmark it.
gollark: It apparently uses "work-stealing" or something, and I think it depends on how complex the operations are.
gollark: I had so many accursed borrow checker issues.

See also

References
  1. Calflora taxon report, University of California, Eriophyllum congdonii Brandegee Congdon's eriophyllum, Congdon's woolly sunflower
  2. Flora of North America, Eriophyllum congdonii Brandegee 1899
  3. Brandegee, Townshend Stith 1899. Botanical Gazette 27(6): 449–450 as 'Eriophyllum Congdoni


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