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|Jepson eFlora: Taxon page
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|Family: Onagraceae||View Description||Dichotomous Key|
|Genus: Tetrapteron||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Tetrapteron graciliflorum (Hook. & Arn.) W.L. Wagner & Hoch
Stem: to 25 mm, not swollen, not peeling. Leaf: 10--98 mm, entire or weakly and minutely serrate. Flower: sepals 4.5--8 mm; petals +- = anthers and generally self-pollinated or exceeding anthers and cross-pollinated; sterile tip of ovary 6--45 mm. Fruit: 4--8 mm, 4-angled (4-winged near tip), leathery, tardily dehiscent. Seed: 1.2--2 mm. Chromosomes: 2n=14.
Ecology: Open or shrubby slopes, generally clay soils, grassland, oak and Joshua-tree woodland; Elevation: < 800 m. Bioregional Distribution: NW, CaR, SNF, GV, CW, WTR; Distribution Outside California: southwestern Oregon, Baja California. Flowering Time: Mar--Apr Note: Generally self-pollinated.
Synonyms: Oenothera graciliflora Hook. & Arn.; Camissonia graciliflora (Hook. & Arn.) P.H. Raven
eFlora Treatment Author: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner
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Citation for this treatment: Warren L. Wagner & Peter C. Hoch, family description, key to genera; treatment of genera by Warren L. Wagner 2016. Tetrapteron graciliflorum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=89236, accessed on September 29, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 29, 2016.