Difference between revisions of "Nyctaginia"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 13(2): 429. 1849.
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|accepted_name=Nyctaginia | |accepted_name=Nyctaginia | ||
| − | |accepted_authority=Choisy | + | |accepted_authority=Choisy |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
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name=Nyctaginia | name=Nyctaginia | ||
|author=Richard W. Spellenberg | |author=Richard W. Spellenberg | ||
| − | |authority=Choisy | + | |authority=Choisy |
|rank=genus | |rank=genus | ||
|parent rank=family | |parent rank=family | ||
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|publication year=1849 | |publication year=1849 | ||
|special status= | |special status= | ||
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|genus=Nyctaginia | |genus=Nyctaginia | ||
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-->[[Category:Treatment]][[Category:Nyctaginaceae]] | -->[[Category:Treatment]][[Category:Nyctaginaceae]] | ||
Latest revision as of 21:56, 5 November 2020
Herbs, perennial, viscid-pubescent, from tuberous taproots. Stems erect to spreading, unarmed, without glutinous bands on internodes. Leaves long petiolate, unequal in each pair, thick and fleshy, base ± asymmetric. Inflorescences axillary and terminal, long pedunculate, capitate; bracts 6–20, forming involucre, subtending cluster of more than 3 flowers; outer bracts ovate or lanceolate, apex acuminate or narrowly acute; inner bracts persistent, not accrescent, distinct, narrower than outer, herbaceous. Flowers bisexual, chasmogamous and/or cleistogamous; cleistogamous perianth small green dome atop developing turbinate base; chasmogamous perianth radially symmetric, orange-red, or all yellow, funnelform, constricted beyond ovary, abruptly expanded to 5-lobed limb; stamens 5–8, slightly exserted; styles exserted slightly beyond stamens; stigmas capitate. Fruits radially symmetric, turbinate, constricted beyond base, apex umbonate, stiffly coriaceous; ribs 10 low, rounded, each swollen at junction of distal, umbonate portion, glabrous, smooth, without glands.
Distribution
sw United States, n Mexico.
Discussion
Species 1.
Selected References
None.