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Euphorbiaceae
Croton

not marked as a favorite taxon Croton glandulosus Linnaeus var. septentrionalis Müller of Aargau. Common name: Doveweed, Tooth-leaved Croton, Sand Croton, Northern Croton. Phenology: May-Nov. Habitat: Fields, roadsides, disturbed areas. Distribution: C. glandulosus is widespread in tropical and subtropical America; var. septentrionalis is the northernmost variety, distributed from PA west to MN, south to FL, TX, and ne. Mexico (its exact pre-Columbian range is speculative because of its weedy nature). See discussion by Atha, Hewitt, & Wang (2020) for discussion of northern records.

Glossary (beta!)

Origin/Endemic status: Native

Taxonomy Comments: Probably warranting species rank.

Synonymy ⓘ: = FNA12, GrPl, K4, NcTx, Tn, Tx, Va, van Ee, Berry, & Ginzbarg (2011); < Croton glandulosus L. — Mex, Mi, Pa, WV; > Croton glandulosus L. var. angustifolius Müll.Arg. — S, S13; > Croton glandulosus L. var. crenatifolius A.M.Ferguson — S13; < Croton glandulosus L. var. glandulosus — WH3; ? Croton glandulosus L. var. septentrionalis Müller of Aargau — C, F, G, Il, RAB, Tat, W; < Croton glandulosus L. var. septentrionalis Müller of Aargau — Fl2; > Croton glandulosus L. var. septentrionalis Müller of Aargau — S, S13; > Croton glandulosus L. var. simpsonii A.M.Ferguson — S, S13; Croton glandulosus L. var. septentrionalis Müller of Aargau. Basionym: Croton glandulosus L. var. septentrionalis Müller of Aargau 1866

Links to other floras: = Croton glandulosus var. septentrionalis - FNA12

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Heliophily ⓘ: 9

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image #1 of Croton glandulosus var. septentrionalis© Bruce A. Sorrie | Original Image ⭷
image #2 of Croton glandulosus var. septentrionalis© Sonnia Hill | Original Image ⭷
image #3 of Croton glandulosus var. septentrionalis© Sonnia Hill | Original Image ⭷
image #4 of Croton glandulosus var. septentrionalis© Stan Gilliam | Original Image ⭷
image #6 of Croton glandulosus var. septentrionalis© Stan Gilliam | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Erect annual of fields, roadsides and other open, disturbed habitats.

Stems: Stems branched above, rough-hairy and glandular.

Leaves: Leaves alternate, petiolate, narrowly oblong to lance-shaped, to 3 in. long, coarsely toothed and with 1 or 2 large glands at the base of the blade.

Inforescence:

Flowers: Flowers in separate male and female clusters at stem ends and from upper leaf axils, whitish; male flowers in short, dense spikes and composed of 4 sepals, 4 petals and 7-9 stamens; female flowers in head-like clusters below male spikes and composed of 5 petals, 5 sepals and 3 divided styles.

Fruits: Fruit an erect, 3-lobed capsule.

Comments: A weedy species that is widespread in tropical and subtropical America; var. septentrionalis is the northernmost variety.

Height: 8-24 in.

plant sale text:

bloom table text:

description: Erect annual of fields, roadsides and other open, disturbed habitats.

stems: Stems branched above, rough-hairy and glandular.

leaves: Leaves alternate, petiolate, narrowly oblong to lance-shaped, to 3 in. long, coarsely toothed and with 1 or 2 large glands at the base of the blade.

inflorescence:

flowers: Flowers in separate male and female clusters at stem ends and from upper leaf axils, whitish; male flowers in short, dense spikes and composed of 4 sepals, 4 petals and 7-9 stamens; female flowers in head-like clusters below male spikes and composed of 5 petals, 5 sepals and 3 divided styles.

fruits: Fruit an erect, 3-lobed capsule.

comments: A weedy species that is widespread in tropical and subtropical America; var. septentrionalis is the northernmost variety.

cultural notes:

germination code:

native range:



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