Symphyotrichum greatae

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Symphyotrichum greatae
Symphyotrichum greatae 324665136 (cropped).jpg
Status TNC G2.svg
Imperiled  (NatureServe) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Subtribe: Symphyotrichinae
Genus: Symphyotrichum
Subgenus: Symphyotrichum subg. Symphyotrichum
Section: Symphyotrichum sect. Occidentales
Species:
S. greatae
Binomial name
Symphyotrichum greatae
Symphyotrichum greatae range map.png
South slopes of the San Gabriel Mountains of California [3]
Synonyms [2]

Aster greataeParish

Symphyotrichum greatae (formerly Aster greatae) is a species of flowering plant in the family Asteraceae endemic to California and known by the common name Greata's aster. [4]

Contents

Description

Symphyotrichum greatae is a colonizing perennial herb growing from a long rhizome. It produces upright to erect stems usually 50 to 120 centimeters (1+34 to 4 feet) tall. The leaves are mostly oval in shape and pointed, the ones at the base up to 15 centimeters (6 inches) long. The leaves and parts of the stems are hairy. [3]

The inflorescence is an open array of flower heads amidst leaflike bracts. The flower head contains many pale violet to nearly white ray florets and a center of yellow disc florets. The fruit is a hairy cypsela. [3]

S. greatae herbarium specimen Symphyotrichum greatae herbarium specimen US 01699531.jpg
S. greatae herbarium specimen

Distribution and habitat

Symphyotrichum greatae is endemic to the San Gabriel Mountains of Southern California, where it grows in damp areas in the canyons of the southern slopes above the Los Angeles Basin. [3]

Conservation

NatureServe lists it as Imperiled (G2) worldwide. [1]

Citations

  1. 1 2 NatureServe 2022.
  2. 1 2 POWO 2019.
  3. 1 2 3 4 Allen 2012.
  4. USDA 2014.

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References