PlantsFlowering PlantsSpurge, Euphorbia & kin — Family Euphorbiaceae
Usually an herb. We have one invasive tree. Leaves usually alternate (opposite in Chamaesyce), simple. Flowers usually without petals and/or sepals, or inconspicuous (showy in Cnidoscolus texanus). 1 to many stamens. Fruit a capsule.
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Copperleaf — Genus Acalypha
Leaves alternate, toothed. No petals. 4-8 stamens.
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Vasey's Wild Lime —  Adelia vaseyi [1]
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Silverbush — Genus Argythamnia
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Myrtlecroton — Genus Bernardia
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Sacatrapo —  Caperonia palustris [1]
Spotted Euphorbia
Chamaesyce — Genus Chamaesyce
Leaves opposite. Flowers in cyathia. No petals, no sepals.
Texas Bull-nettle
Texas Bull-nettle —  Cnidoscolus texanus [1,2]
Stems with stinging hairs. Leaves alternate, simple, palmately lobed. Flowers white and showy. Flowering Apr-Jul.
Woolly Croton
Croton — Genus Croton
Leaves alternate. Margins are entire in ours. Male flowers with petals and 5-20 stamens.
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Wild Mercury — Genus Ditaxis
Leaves alternate, margins entire. 5 small petals (or absent) and 5 sepals. Stamens 7-10.
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Gulf Sebastian-bush —  Ditrysinia fruticosa [1]
Spurge — Genus Euphorbia
Leaves alternate. Flowers in cyathia. No petals, no sepals.
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Nettlespurge — Genus Jatropha
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Missouri Maidenbush —  Leptopus phyllanthoides [1]
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Cassava — Genus Manihot
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Leafflower — Genus Phyllanthus
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Sand Reverchonia —  Reverchonia arenaria [1]
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Castorbean —  Ricinus communis [1]
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Toothleaf — Genus Stillingia
Catnip Noseburn
Noseburn — Genus Tragia
Leaves alternate, toothed. No petals.
Chinese Tallow Tree
Chinese Tallow Tree — Genus Triadica
Tree. Leaves alternate. No petals. Flowering Aug-Nov.
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.