| clustere | They clustered around the fire. |
| clustered bellflower | (n) bellflower of Europe to temperate Asia having dense spikes of violet-blue to white flowers, Syn. Campanula glomerata |
| clustered lady's slipper | (n) clusters of several short stems each having 2 broad leaves and 2-4 drooping brownish to greenish flowers with pouches mottled with purple; British Columbia to central California and northern Colorado, Syn. Cypripedium fasciculatum |
| clustered poppy mallow | (n) densely hairy perennial having mostly triangular basal leaves and rose-purple flowers in panicled clusters, Syn. Callirhoe triangulata |
| clustered | adj.
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