Page 15: 143 results for Symphyotrichum
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Asteraceae Group 4: Dichotomous Key
... Symphyotrichum and Eurybia with stipitate glands) 9a. Basal leaves gradually tapering to an elongate petiole, the blade and petiole combined commonly 30–40 cm long; involucr...
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Asteraceae Group 2: Dichotomous Key
... Symphyotrichum ericoides) or the bracts with palmately or pinnately branched spines [Figs. 370, 387, 405]; receptacle lacking bristle-like setae (except Centaurea) 5a. Recep...
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Solidago: Dichotomous Key
... Symphyotrichum. This confusion can be solved by noting the fresh ray flower color on herbarium labels. Hybridization is reported between closely related species but does not appear to be a comm...