Jepson eFlora
Key to families | Table of families and genera

Key to Nyctaginaceae

View taxon page for Nyctaginaceae

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Stigma linear, included; inflorescence a head or umbel; fruit generally winged

2. Fruit wings thick or 0, not surrounding fruit body; flowers maturing outer before inner or ± simultaneously; receptacle conic, ± smooth ..... ABRONIA

2' Fruit wings translucent, surrounding fruit body; flowers maturing 1 side of inflorescence before the other; receptacle flat or rounded, studded with peg-shaped pedicel-like projections ..... TRIPTEROCALYX

1' Stigma ± spheric, generally exserted; inflorescence a head or umbel or not; fruit generally unwinged

3. Bracts 3 or 5(9), generally at least partially fused, forming a calyx-like involucre

4. Flowers strongly bilateral, in 1 involucre 3, blooming ± together; bracts 3; fruit bilateral ..... ALLIONIA

4' Flowers radial or ± bilateral, in 1 involucre 1–16, generally not blooming together; bracts 5(9); fruit radial ..... MIRABILIS

3' Bracts 1–3, free, not forming an involucre

5. Stem erect, > 7 mm diam; fruit glabrous, with 10 inconspicuous ribs ..... ANULOCAULIS

5' Stem decumbent to erect, generally << 5 mm diam; fruit hairy or not, with (4)5 prominent ribs or wings

6. Perianth tube 30–170 mm, trumpet-shaped; fruit oblong, glabrous, 5–10 mm ..... ACLEISANTHES

6' Perianth tube < 5 mm, bell-shaped; fruit club-shaped, glabrous or hairy, < 4 mm ..... BOERHAVIA


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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