Jepson eFlora: Taxon page
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Crucianella angustifolia

Higher Taxonomy
Family: RubiaceaeView DescriptionDichotomous Key

Habit: Annual to tree, vine. Leaf: generally opposite (whorled), entire; stipules generally fused to stem, adjacent pairs occasionally fused, or occasionally leaf-like and appearing like whorled leaves. Inflorescence: cyme, panicle, spike, cluster, or flower 1, generally terminal and +- axillary. Flower: generally bisexual; calyx +- 4(5)-lobed, occasionally 0 (Galium, Crucianella) or 6 (Sherardia); corolla generally radial, 4(5)-lobed; stamens epipetalous, alternate corolla lobes, generally included; ovary generally inferior, chambers generally 2 or 4, style 1(2). Fruit: drupe, berry, or 2 or 4 nutlets [capsule].
Genera In Family: +- 500 genera, 6000 species: worldwide, especially tropics; many cultivated, including Coffea, coffee; Cinchona, quinine; many ornamental. Note: Diodia teres Walter doubtfully in California.
eFlora Treatment Author: Robert E. Preston & Lauramay T. Dempster, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: CrucianellaView Description 

Common Name: CROSS-WORT
Habit: Annual. Leaf: whorled, opposite in inflorescence. Inflorescence: spike; bracts overlapping, 3 per flower. Flower: calyx 0; corolla tubular, lobes 4--5, erect; style divided distally, stigmas spheric. Fruit: nutlets 2, wider distally.
Species In Genus: 35--40 species: Mediterranean to central Asia. Etymology: (Latin: little cross, presumably from corolla lobes)

Crucianella angustifolia L.
Habit: Plant erect or +- decumbent. Stem: 12--30 cm, 4-angled. Leaf: in whorls of 4, 8--25 mm, linear. Inflorescence: 2.5--7.5 cm, dense, narrow, 4-angled, +- grass-like; bracts scarious, rib green, tip sharp. Flower: corolla white or yellow. Fruit: glabrous. Chromosomes: 2n=22.
Ecology: Disturbed areas in grassland, foothill woodland, yellow-pine forest; Elevation: 30--1100 m. Bioregional Distribution: s KR, NCoRI, s CaR, n SN, e ScV; Distribution Outside California: Idaho; native to Europe. Flowering Time: Apr--Jun
eFlora Treatment Author: Robert E. Preston & Lauramay T. Dempster
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botanical illustration including Crucianella angustifolia


Citation for this treatment: Robert E. Preston & Lauramay T. Dempster 2016. Crucianella angustifolia, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 05, 2016.

Crucianella angustifolia
click for enlargement
© 2010 Julie Kierstead Nelson
Crucianella angustifolia
click for enlargement
© 2010 Julie Kierstead Nelson

More photos of Crucianella angustifolia in CalPhotos

Geographic subdivisions for Crucianella angustifolia:
s KR, NCoRI, s CaR, n SN, e ScV;
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.
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).

View elevation by latitude chart
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.