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Your search found 32 taxa.
Corolla lobes longer 5-8mm long (vs. those of B. floridana less than 5mm), per Vascular Flora of the Carolinas.
Flowers tubular below, spreading at apex into 5 petals, borne in a spike, per Atlantic Coastal Plain Wildflowers.
Stems erect, rarely branched. Corolla tube apically strongly curved, per Flora of China.
Flowers with 5 rounded lobes, two of which are partially united, per Forest Plants of the Southeast and Their Wildlife Uses.
Corolla of S. pectinata is pubescent externally [vs. S. cassinoides' glabrous], per Weakley's Flora.
Plant pubescent (esp on calyx, corolla, capsule, lower stem) w glandular hairs, per Weakley's Flora.
Flowering May-July (vs. Aug-Sept for A. patula, laevigata, flava), per Weakley's Flora.
Inflorescence, pedicels and calyx glabrous; flowering Aug-Sep, per Weakley's Flora.
Inflorescence, pedicels and calyx glabrous, flowering Aug-Sep, per Weakley's Flora.
Flowers, sepals and flower stalk covered with tiny soft hairs, per Field Guide to the Rare Plants of Georgia.
Flowers in racemes, 1-2 per node. Corolla tube lacks yellow lines, per Guide to the Wildflowers of SC.
Flowers are between 0.75" & 1.5" long on extremely short stalks, per Wildflowers of the Southern Mountains.
Corolla throat usually yellow-lined within, per Vascular Flora of the Carolinas.
Pedicels shorter than the calyx, per Wildflowers of the Eastern United States.
Corolla lobes all spreading, the throat lanose at base of upper corolla lobes, per Vascular Flora of the Carolinas.
Throat of the light purple corolla is not hairy like other related species, per Guide to the Plants of Granite Outcrops.
Flowers densely hairy within, about 0.6" long, and last for one day, per Wildflowers of Tennessee.
Flowers axillary, solitary, per Vascular Flora of the Carolinas.
Greenish-yellow flowers in terminal spikes subtended by red leaf-like bracts, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.
Flowers form an array of yellow or reddish bent tubes, each with 4 lobes, per Southern Appalachian Wildflowers.
Flowers creamy yellow, ~ 1" long, 2-lipped corolla, upper lip helmetlike, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Corolla 2-lipped: upper lip hooded, lower lip with a yellow palate, per Wildflowers of Tennessee.
Upper flowers 3/8", 2-lipped w 4 short lobes, usually yellowish or purplish, per Wildflowers of the Southern Mountains.
A 1/2" whitish 2-lipped flower projects from the stem above each bract, per Wildflowers of the Southern Mountains.
Corolla tubular & slightly curved, 3/4" long, with 5 spreading lobes, per Wildflowers of the Southern Mountains.
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