Jepson eFlora: Taxon page
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Odontostomum hartwegii

Higher Taxonomy
Family: TecophilaeaceaeView Description 

Habit: Perennial herb; corm deep, outer coat fibrous. Stem: 1, erect, +- zigzag. Leaf: mostly basal, linear [to lanceolate], sheathing. Inflorescence: panicle, in smaller plants raceme; bracts scarious. Flower: perianth parts 6 in 2 petal-like whorls, free or fused, often reflexed; stamens 6, fused to perianth parts, alternate 6 staminodes, anthers attached at base; ovary superior, chambers 3, style 1, stigma +- 3-lobed. Fruit: capsule, loculicidal. Seed: 3, brown.
Genera In Family: 9 genera: 23 species: western United States, Africa, Chile. Etymology: (Based on the genus Tecophilaea Bertero ex Colla, named for Tecophila Billotti, botanical artist and daughter of Italian botanist Luigi Aloysius Colla (1766--1848), credited with publishing the genus name)
eFlora Treatment Author: Dale W. McNeal
Scientific Editor: Thomas J. Rosatti.
Genus: OdontostomumView Description 

Species In Genus: 1 sp. Etymology: (Greek: tooth mouth, from staminodes +- at top of perianth tube)

Odontostomum hartwegii Torr.
Habit: Corm 2.5--3 cm, +- ovoid. Stem: +- scapose, 12--50 cm, +- curved, generally branched. Leaf: 10--30 cm; upper reduced. Inflorescence: bracts 3--10 mm, linear; pedicel 3--30 mm, with scarious bractlet above middle. Flower: perianth parts fused below, petal-like, white to +- yellow, tube 4--5 mm, strongly veined, lobes +- = tube, spreading, reflexed in age, 3--7-veined; stamens 6, filaments 1--2 mm, staminodes 0.5--1 mm, anthers dehiscing by pores at tip; style 4--5 mm, thread-like. Seed: obovoid. Chromosomes: n=10.
Ecology: Clay, often serpentine soils; Elevation: < 600 m. Bioregional Distribution: KR, NCoRI, CaR, n&c SNF. Flowering Time: Apr--May
eFlora Treatment Author: Dale W. McNeal
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botanical illustration including Odontostomum hartwegii


Citation for this treatment: Dale W. McNeal 2017. Odontostomum hartwegii, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 23, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on April 23, 2017.

Odontostomum hartwegii
click for enlargement
© 1995 Gary A. Monroe

More photos of Odontostomum hartwegii in CalPhotos

Geographic subdivisions for Odontostomum hartwegii:
KR, NCoRI, CaR, n&c SNF.
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.