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Abronia nana var. covillei

Higher Taxonomy
Family: NyctaginaceaeView DescriptionDichotomous Key

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.
Genus: AbroniaView DescriptionDichotomous Key

Habit: Annual, perennial herb, generally glandular. Stem: prostrate to ascending, generally +- red. Leaf: generally fleshy, petioled. Inflorescence: head or umbel; flowers maturing outer before inner or +- simultaneously; receptacle conic, +- smooth; bracts 5--10. Flower: perianth salverform to trumpet-shaped, generally fragrant, lobes 4--5; stamens 4--5, included; stigma linear, included. Fruit: body fusiform; wings (0)2--5, lobe-like, prominent, opaque, thick, not continuous above fruit body.
Species In Genus: 25 species: western North America. Etymology: (Greek: graceful) Note: Closely related to Tripterocalyx; relationships among species Abronia gracilis Benth. (Mexico), Abronia maritima, Abronia umbellata, and Abronia villosa need study; hybrids involve Abronia latifolia, Abronia maritima, Abronia umbellata; Abronia gracilis included in TJM (1993) based on misidentifications.
Reference: Galloway 2003 FNANM 4:61--69

Abronia nana S. Watson var. covillei (Heimerl) Munz
Habit: Perennial herb, densely tufted. Stem: < 6 cm. Leaf: basal, glaucous; petiole 1--4 cm; blade 5--20 mm, oblong to +- round. Inflorescence: scapose; peduncle < 10 cm; bracts 6--8 mm, lanceolate; flowers > 6. Flower: perianth tube 11--15 mm, white to light pink, limb 6--8 mm wide, white to pink. Fruit: 7--8 mm; wings 5, thin, rounded at top.
Ecology: Dry sandy places; Elevation: 1600--2800 m. Bioregional Distribution: SnBr, W&I, DMtns; Distribution Outside California: southwestern Nevada. Flowering Time: Jun--Aug Note: Plants from eastern DMoj have wider bracts, longer flowers, approach Abronia nana var. nana of Nevada.
Synonyms: Abronia nana S. Watson subsp. covillei (Heimerl) Munz;
eFlora Treatment Author: Andy Murdock
Reference: Galloway 2003 FNANM 4:61--69
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Citation for this treatment: Andy Murdock 2012, Abronia nana var. covillei, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on January 22, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on January 22, 2018.

Abronia nana var. covillei
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© 2008 Thomas Stoughton
Abronia nana var. covillei
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© 2010 Steve Matson
Abronia nana var. covillei
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© 2005 James M. Andre
Abronia nana var. covillei
click for enlargement
© 2008 Thomas Stoughton
Abronia nana var. covillei
click for enlargement
© 2012 James M. Andre
Abronia nana var. covillei
click for enlargement
© 2010 Steve Matson

More photos of Abronia nana var. covillei in CalPhotos

Geographic subdivisions for Abronia nana var. covillei:
SnBr, W&I, DMtns;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
map of distribution 1
(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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.