Contains 5 accepted taxa overall.
Characteristics
Classification
Citation
TRAGIA Linnaeus, Sp. Pl. 980. 1753.
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TYPE: Tragia volubilis Linnaeus Lectotypified by Small, in Britton & A. Brown, Ill. Fl. N. U.s., ed. 2. 2: 458. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Tragia cordata | HEARTLEAF NOSEBURN | Native | ||
| Tragia saxicola | FLORIDA KEYS NOSEBURN; ROCKLANDS NOSEBURN | Native Threatened-State | ||
| Tragia smallii | SMALL'S NOSEBURN | Native | ||
| Tragia urens | WAVYLEAF NOSEBURN | Native | ||
| Tragia urticifolia | NETTLELEAF NOSEBURN | Native |
Identification Key
1. Petiole 0-2.5(-8.5) mm long, 1/5th or less the length of the blade, rarely longer; calyx lobes of the staminate flowers usually 4-5(-6); stamens 2
2
1. Petiole 3.5-35 mm long (at least for the larger leaves, as short as 2 mm along the inflorescence), 1/5th-1/2 the length of the blade; calyx lobes of the staminate flowers usually 3, infrequently 4; stamens 3-4
3
2. Leaf blades toothed throughout the margin, truncate to subtruncate at the blade base of the basal leaves; inflorescences never subtended by reduced leaves; seeds 4-4.5 mm long
2. Leaf blades entire, irregularly toothed, or toothed throughout the margin, cuneate to acute at the blade base of the basal leaves; inflorescences sometimes subtended by reduced leaves; seeds 3-4 mm long
3. Vine; leaf blade strongly cordate at the base
3. Erect to decumbent herb; leaf blade truncate to shallowly cordate at the base
4
4. Erect to decumbent herbs 8-30 cm tall; leaf blade suborbicular to broadly ovate, to 3 cm long; stigmas undulate
4. Erect herbs 20-70 cm tall; leaf blade triangular-lanceolate, to 7 cm long; stigmas papillate
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Allosandra | Allosandra Rafinesque, Autik. Bot. 51. 1840. | TYPE: Allosandra verbenifolia Rafinesque Lectotypified by Pennell, Bull. Torrey Bot. Club 48: 93. 1921. | |
| Bia | Bia Klotzsch, Arch. Naturgesch. 7(1): 189. 1841. | TYPE: Bia alienata Didrichsen Lectotypified by G. L. Webster, Ann. Missouri Bot. Gard. 81: 95. 1994. | |
| Ctenomeria | Ctenomeria Harvey, London J. Bot. 1: 29. 1842. | TYPE: Ctenomeria cordata Harvey | |
| Lassia | Lassia Baillon, Etude Euphorb. 464. 1858. | TYPE: Lassia scandens Baillon | |
| Leptobotrys | Leptobotrys Baillon, Etude Euphorb. 478. 1858. | TYPE: Leptobotrys discolor Baillon | |
| Leptorhachis | Leptorhachis Klotzsch, Arch. Naturgesch. 7(1): 189. 1841. | TYPE: Leptorhachis hastata Klotzsch | |
| Leucandra | Leucandra Klotzsch, Arch. Naturgesch. 7(1): 188. 1841. | TYPE: Leucandra betonicifolia Klotzsch | |
| Schorigeram | Schorigeram Adanson, Fam. Pl. 2: 355. 1763. | TYPE: = Tragia Linnaeus 1753. | |
| Zuckertia | Zuckertia Baillon, Etude Euphorb. 495. 1858. | TYPE: Zuckertia cordata Baillon |