Common Name: FOUR O'CLOCK FAMILY Habit: 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. Genera In Family: 30 genera, 350 species: warm regions, especially America; some ornamental (Bougainvillea; Mirabilis, four o'clock). eFlora Treatment Author: Andy Murdock, except as noted Scientific Editor: Thomas J. Rosatti.
Habit: Annual. Stem: decumbent to erect, < 8 dm, puberulent. Leaf: blade lanceolate to ovate-triangular, +- acute. Inflorescence: spike-like raceme; bracts << fruit, deciduous. Flower: < 2 mm; perianth pink to pale pink [white]. Fruit: glabrous; narrow, wrinkled between generally 5 wide ribs; tip rounded to truncate. Note:Boerhavia coulteri var. coulteri discovered at edge of pavement of Interstate Highway 15 on dry bed of Ivanpah Lake on 12 September 2012, when fruit maturation well advanced compared to co-occurring var. palmeri (fruit maturation just beginning).
Boerhavia coulteri (Hook. f.) S. Watson var. coulteri
Citation for this treatment: Andy Murdock 2019, Boerhavia coulteri var. coulteri, in Jepson Flora Project (eds.) Jepson eFlora, Revision 7, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=81378, accessed on April 23, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2024.
No expert verified images found for Boerhavia coulteri var. coulteri.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
Data provided by the participants of the
Consortium of California Herbaria.
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month
Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).
