Jepson Herbarium
		University of California, Berkeley

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Annual, perennial herb, subshrub, [ shrub, tree], glabrous or hairy.
Stem: often forked.
Leaf: opposite, sessile or petioled, pairs generally unequal; blade generally entire.
Inflorescence: generally forked; spike, head-like cluster, or umbel, flowers rarely 1, bracts forming a calyx-like involucre or not.
Flower: bisexual, generally ± radial ( bilateral), sometimes cleistogamous in some genera; perianth of 1 whorl, generally petal-like, bell- to trumpet-shaped, base hardened, tightly surrounding ovary in fruit, lobes 3–5, generally notched to ± lobed; stamens 1–many; ovary superior (appearing inferior due to hardened perianth base), style 1.
Fruit: achene in hardened perianth base; round to ± flat; smooth, angled, ribbed, or winged; glabrous, hairy, or glandular.
30 genera, 350 species: warm regions, especially Am; some ornamental (Bougainvillea; Mirabilis, four o'clock). [Spellenberg 2003 FNANM 4:14–17] —Scientific Editor: Thomas J. Rosatti.

Key to Nyctaginaceae

Perennial from thick caudex.
Stem: little-branched, erect, > 7 mm diam; internodes with sticky brown ring.
Leaf: few, ± in lower 1/2, petioled; blade oblong to round, thick.
Inflorescence: openly branched; flowers in head, raceme, or umbel-like cluster; bracts 1–3, free, not forming involucre.
Flower: perianth funnel-shaped; stamens 3, exserted; stigma ± spheric, exserted.
Fruit: inconspicuously 10-ribbed, glabrous.
5 species: especially Chihuahuan Desert, ne Mex. (Latin: ring stem, from sticky ring on internode) [Spellenberg 2003 FNANM 4:28–30] Closely related to Boerhavia.

Stem: < 1.5 m.
Leaf: blade 3–10 cm, oblong to round- reniform, hairs stiff, with enlarged, dark, glandular base.
Inflorescence: terminal, panicle-like, 1–2 branches per node, each ending in head-like cluster of flowers; bracts leaf-like, reduced; peduncle 15–40 mm.
Flower: perianth ± 8 mm, tube ± green, hairy, limb pale pink.
Fruit: 4–5 mm, spindle-shaped, gray-brown.
2n=48. Rocky slopes, canyons; < 1200 m. ne Mojave Desert (Death Valley region).

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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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Bioregions in which taxon occurs	Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.