Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
DATURA Linnaeus, Sp. Pl. 179. 1753.
-
TYPE: Datura stramonium Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 169. 1913.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Datura inoxia | PRICKLYBURR | Not Native | ||
| Datura metel | DEVIL'S TRUMPET | Not Native | ||
| Datura stramonium | JIMSONWEED | Native | ||
| Datura wrightii | SACRED THORN-APPLE | Not Native |
Identification Key
1. Leaf blade margins sinuate-dentate to pinnately lobed; corolla 4-11 cm long, with 5 long-acuminate lobe tips alternating with shallow sinuses or notches or a nearly entire margin between; capsules erect, prickly, dehiscent by 4 valves
2
1. Leaf blade margins entire to irregularly sinuate-dentate; corolla 10-26 cm long, with 10 short-acuminate to acute lobe tips (equal or unequal); capsules pendent (curved pedicel), prickly or tuberculate, irregularly dehiscent
4
2. Leaf blade elliptic to narrowly ovate, usually pinnately lobed, sometimes sinuate-dentata; capsule prickles ca. 5-25 on each of the 4 valves, 1.5-7 mm wide at base, some 10-30 mm long
2. Leaf blade broadly ovate, usually sinuate-dentate, sometimes pinnately lobed; capsules various
3
3. Corolla 4-6 cm long; capsule prickles ca. 5-25 on each of the 4 valves, 1.5-7 mm wide at base, some (10)15-30 mm long
3. Corolla (5)6-11 cm long; capsule prickles ca. 30-70 on each of the 4 valves, mostly 0.5-3 mm wide at base, <10(15) mm long
4. Stems glabrescent, sparsely hairy; corolla white, yellow, or purple, sometimes with a 2nd or 3rd corolla; capsules tuberculate, tubercles mostly blunt (few sharp like a prickle), 1-4 mm wide and long
4. Stems usually villous-pubescent or canescent, sometimes glabrate; corolla white, sometimes lavender or purple-tinged, singular; capsules prickly, the prickles acicular, 3-10 mm long, 1-3 mm wide at base
5
5. Leaf blade lower surface and calyx villous; corolla limb lobules subequal to acuminate lobes
5. Leaf blade lower surface and calyx canescent; corolla limb lobules shorter than acuminate lobes
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Apemon | Apemon Rafinesque, Fl. Tellur. 2: 11. 1837 ("1836"). | TYPE: Non designatus. | |
| Ceratocaulos | Ceratocaulos (Bernhardi) Reichenbach, Handb. Nat. Pfl.-Syst. 201. 1837. | BASIONYM: Unknown. | TYPE: Datura ceratocaula Ortega |
| Stramonium | Stramonium Miller, Gard. Dict. Abr., ed. 4. 1754. | TYPE: = Datura Linnaeus 1753. |