Apocynum sibiricum

Family (Traditional)Apocynaceae
Species:Apocynum sibiricum Jacq.
Common NameClasping Dogbane; Indian Hemp
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: Yes; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Petiole Type: subpetiolate; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: White; Carpel Number/Pistil: 2; Fruit Complexity: Multiple; Fruit Dehiscence: Yes; Fruit Type: Follicle; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: corymb/cyme/umbel; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 13+; Perianth Present: Yes; Petal Fusion: Yes; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Marginal; Sepal Fusion: Yes; Sepal Number: 5; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5
C value 5
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** Not applicable or data not available.

Currently no photos are available for this plant.

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
  • 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


SynonymFull Citation
Apocynum album Apocynum album
Apocynum album var. hypericifolium Apocynum album var. hypericifolium A. Gray
Apocynum cannabinum Apocynum cannabinum L.
Apocynum cannabinum var. angustifolium Apocynum cannabinum var. angustifolium (Woot.) N. Holmgren
Apocynum cannabinum var. cannabinum Apocynum cannabinum var. cannabinum
Apocynum cannabinum var. glaberrimum Apocynum cannabinum var. glaberrimum A. DC.
Apocynum cannabinum var. greeneanum Apocynum cannabinum var. greeneanum (Bég. & Bel.) Woods.
Apocynum cannabinum var. hypericifolium Apocynum cannabinum var. hypericifolium A. Gray
Apocynum cannabinum var. nemorale Apocynum cannabinum var. nemorale (G.S. Mill.) Fern.
Apocynum cannabinum var. pubescens Apocynum cannabinum var. pubescens (Mitchell ex R. Br.) Woods.
Apocynum cannabinum var. suksdorfii Apocynum cannabinum var. suksdorfii (Greene) Bég. & Bel.
Apocynum dictyotum Apocynum dictyotum
Apocynum hypericifolium Apocynum hypericifolium Ait.
Apocynum longifolium Apocynum longifolium Greene
Apocynum pubescens Apocynum pubescens Mitchell ex R. Br.
Apocynum sibiricum Apocynum sibiricum Jacq.
Apocynum sibiricum var. cordigerum Apocynum sibiricum var. cordigerum (Greene) Fern.
Apocynum sibiricum var. farwellii Apocynum sibiricum var. farwellii (Greene) Fern.
Apocynum sibiricum var. salignum Apocynum sibiricum var. salignum (Greene) Fern.
Apocynum suksdorfii Apocynum suksdorfii Greene
Apocynum suksdorfii var. angustifolium Apocynum suksdorfii var. angustifolium (Woot.) Woods.
Apocynum suskdorfii Apocynum suskdorfii Greene

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Ballard (KY), Franklin (KY), Fulton (KY), Jefferson (KY), Oldham (KY), Owen (KY), Pulaski (KY), Warren (KY), Warren (TN)

Herbaria represented by specimen data listed below: APSC, KNK, TENN, VDB

Range of years during which specimens were collected: 1983 - 2012

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
APSC0075141 Oldham Kentucky
Apocynum sibiricum
TENN-V-0177263 Fulton Kentucky
Apocynum sibiricum
APSC0075142 Oldham Kentucky
Apocynum sibiricum
APSC0075022 Warren Kentucky
Apocynum sibiricum
APSC0115043 Franklin Kentucky
Apocynum sibiricum
31973000005031 Owen Kentucky 11 Jun 1999 Thieret, John
Apocynum sibiricum
APSC0075023 Warren Kentucky
Apocynum sibiricum
APSC0115057 Jefferson Kentucky 03 Aug 1983 Max Medley
Apocynum sibiricum
APSC0115042 Pulaski Kentucky
Apocynum sibiricum
31973000005032 Owen Kentucky 11 Jun 1999 Thieret, John
Apocynum sibiricum
APSC0071926 Warren Tennessee 15 Aug 2012 Mason Brock
Apocynum sibiricum
BRIT442312 Ballard Kentucky 23 Jul 1988 Raymond Athey
Apocynum sibiricum
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