Description ⁴

Spreading perennial, branching subshrubby herb, up to 2.5 m tall. Mostly herbaceous but sometimes woody at the base. Leaves alternate, elliptic to ovate, up to 11 × 5 cm but mostly much smaller on the branches, somewhat grey-green above, covered in fine silvery-white appressed, short T-shaped hairs below; margin finely serrulate to almost entire. Capitula numerous in lax clusters. Involucral bracts bristly. Florets discoid, purple.

Sources and Credits

1. (c) Bart Wursten, some rights reserved (CC BY-NC), https://www.zimbabweflora.co.zw/speciesdata/images/15/157950-1.jpg
2. (c) "<a href=""http://www.knps.org"">Kentucky Native Plant Society</a>. Scanned by <a href=""http://www.omnitekinc.com/"">Omnitek Inc</a>.", some rights reserved (CC BY-NC-SA), http://plants.usda.gov/java/largeImage?imageID=vema2_001_avd.tif
3. (c) Ingrid P. Lin, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10282013
4. (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC), http://eol.org/data_objects/19250174

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