Seymeria cassioides

ClassificationDicots
FamilyOrobanchaceae
Family (Traditional)Scrophulariaceae
GenusSeymeria
Species:Seymeria cassioides (J. F. Gmel.) S. F. Blake
Common NameYaupon Blacksenna
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LGS; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: opposite; Leaf Complexity: compound; Leaf Dissection: 0.5; Leaf Dissection: 1; Leaf Dissection: 1.5; Leaf Dissection: 2; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Margins: lobed; Leaflet Number: 10; Leaflet Number: 11; Leaflet Number: 12; Leaflet Number: 13; Leaflet Number: 14; Leaflet Number: 15; Leaflet Number: 16; Leaflet Number: 17; Leaflet Number: 18; Leaflet Number: 19; Base Flower Color: Yellow; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Ovary Position: Superior; Overall Flower Symmetry: Zygomorphic; Sporangium Arrangement: N/A
C value 10
StatusNative; AGCP (FAC), EMP (FAC) (NWPL); TN[SH] (State Rank); G5 (Global Rank)

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Seymeria tenuifolia Seymeria tenuifolia Pursh

Specimens and Distribution

No specimens exist for this species.

Plant Photos

Seymeria cassioides - Dwayne Estes
Seymeria cassioides - Dwayne Estes
Seymeria cassioides - Dwayne Estes
Seymeria cassioides - Dwayne Estes
Seymeria cassioides - Milo Pyne
Seymeria cassioides - Milo Pyne