Texas Vascular Plant Checklist:  Apocynaceae
The Dogbane Family
(Magnoliophyta, Magnoliopsida, Asteridae)

 Amsonia
   ciliata var. ciliata (fringe slimpod)
   ciliata var. tenuifolia (Raf.) Woods.
   ciliata var. texana (Gray) Coult. (texas slimpod)
   illustris Woods. (ozark bluestar)
   longiflora var. longiflora (tubular slimpod)
   longiflora var. salpignantha (Woods.) S.P. McLaughlin (trumpet slimpod)
   palmeri Gray (rough slimpod, standley slimpod, palmer slimpod)
   repens Shinners (creeping slimpod)
   tabernaemontana var. salicifolia (Pursh) Woods.
   tabernaemontana var. tabernaemontana (willow slimpod)
   tharpii Woods. (tharp slimpod)
   tomentosa var. stenophylla Kearney & Peebles (woolly slimpod)

 Apocynum
   androsaemifolium L. (spreading dogbane)
   cannabinum L. (indian hemp, hemp dogbane)
   × floribundum Greene (pro sp.) [androsaemifolium × cannabinum]

 Catharanthus
   roseus (L.) G. Don (madagascar periwinkle)

 Haplophyton
   crooksii (L. Benson) L. Benson (cockroach plant)

 Macrosiphonia
   brachysiphon (Torr.) Gray (huachuca mountain rocktrumpet)
   hypoleuca (Benth.) Muell.-Arg. (davis mountain rocktrumpet)
   lanuginosa var. lanuginosa
   lanuginosa var. macrosiphon (Torr.) Henrickson, comb. nov. ined.

 Nerium
   oleander L. (common oleander, laurel rosa)

 Trachelospermum
   difforme (Walt.) Gray (american star jasmine, climbing dogbane)

 Vinca
   major L. (bigleaf periwinkle)
   minor L. (common periwinkle)