PlantsFlowering PlantsBedstraw, Bluets & relatives — Family Rubiaceae
Herb or shrub. Stalks squarish (in the herbs). Leaves opposite or whorled. Usually 4 petals. Usually 4 stamens.
No image available.
Blue Woodruff —  Asperula arvensis [1]
Leaves whorled.
No image available.
Firecrackerbush —  Bouvardia ternifolia [1]
Shrub.
Common Buttonbush
Buttonbush — Genus Cephalanthus
Shrub.
No image available.
West Indian Milkberry —  Chiococca alba [1]
No image available.
Piedmont Bedstraw —  Cruciata pedemontana [1]
Virginia Buttonweed
Buttonweed — Genus Diodia
Leaves opposite or in threes.
Cleavers
Bedstraw — Genus Galium
Herbs with squarish stalks. Leaves whorled, simple. Flowers apparently rotate (the tube is not obvious). Usually 4 petals. Usually 4 stamens.
Prairie Bluets
Starviolet — Genus Hedyotis
Leaves opposite or in threes.
No image available.
Bluet — Genus Houstonia
Leaves opposite or in threes.
No image available.
Partridgeberry —  Mitchella repens [1]
No image available.
Girdlepod — Genus Mitracarpus
No image available.
Oldenlandia — Genus Oldenlandia
Leaves opposite or in threes. Flowers rotate.
No image available.
Stinkvine —  Paederia foetida [1]
No image available.
Hale's Pentodon —  Pentodon pentandrus [1]
No image available.
Crucillo —  Randia rhagocarpa [1]
No image available.
Mexican Clover — Genus Richardia
Leaves opposite or in threes.
Spurwort
Spurwort —  Sherardia arvensis [1,2]
Leaves whorled, simple. Petals 4(-5), pink to lavender. Stamens 4(-5). Flowering Mar-May.
No image available.
False Buttonweed — Genus Spermacoce
Leaves opposite or in threes.
No image available.
Diamond-flowers — Genus Stenaria
Evidence that species is found in Texas:
  1. USDA Plants Database, advanced search for Texas plants from the United States Department of Agriculture.
  2. Rick's iNaturalist observations, nature observations of Richard K. Murphy. Identifications are not necessarily confirmed by other users.