Symphyotrichum s. str.

Heart-Leaf Panicled Asters

Symphyotrichum subsect. Heterophylli includes the ten species of x=8 heart-leaved asters native to North America. Eight occur in eastern North America and two are transcontinental (S. ciliolatum, S. laeve).

Illustrations

Symphyotrichum anomalum; heads
Symphyotrichum attenuatum
Symphyotrichum ciliolatum; habit
Symphyotrichum cordifolium (including S. lowrieanum); habit;
- enviromental plasticity; habit (in field; same plant in experimental garden)
Symphotrichum drummondii
- var. drummondii
- var. texanum
Symphyotrichum laeve
- var. laeve; upper stem leaf; habit, cv. "Blue Bird" cult. Ontario; involucre; white form;
- var. concinnum
- var. geyeri; habit, Guadalupe Mts, Tex.
Symphotrichum oolentangiense; habit
Symphyotrichum shortii; habit, head
Symphyotrichum undulatum; inflorescence; mid stem leaf
Symphyotrichum urophyllum; habit