Symphyotrichum chapmanii
# Symphyotrichum chapmanii

Symphyotrichum chapmanii (formerly Aster chapmanii and Eurybia chapmanii) is a species of flowering plant in the family Asteraceae native to the Apalachicola River drainage basin of Alabama and Florida. Commonly known as savanna aster, it is a perennial, herbaceous plant that may reach 30 to 80 centimeters (1 to 2+1⁄2 feet) tall. Its flowers have purple to blue-lavender ray florets and pale yellow disk florets. It is a wetland species and is of conservation concern. It may be extirpated in Alabama.

## Description

Savanna aster is a perennial, herbaceous plant that grows from a cespitose root system with rhizomes. It typically reaches heights 30–80 cm (12–31 in) on one to three hairless stems. It has cylinder-bell shaped involucres with green, purple-tipped phyllaries in 4–6 rows on its involucres. It blooms September–December with flower heads that have 8–23 purple to pale bluish-purple ray florets 10–20 mm (0.4–0.8 in) long surrounding 47–57 pale yellow disk florets.

* Flower head from bottom
* Bracts, involucre, and phyllaries
* Phyllary detail
* Flower head from top

## Citations

* 1 2 NatureServe 2021.
* 1 2 POWO 2019.
* ↑ USDA 2014.
* ↑ Semple 2014.
* 1 2 Brouillet et al. 2006.
