Common Name: RUE FAMILY Habit: Perennial herb, shrub, tree, strongly aromatic, occasionally thorny. Leaf: generally alternate, simple or compound, dotted with minute, translucent glands; stipules 0. Inflorescence: cyme, raceme, or flowers 1, generally bracted. Flower: generally bisexual; sepals, petals each 4 or 5, free or fused at base; sepals generally persistent; petals generally +- white or +- green; stamens generally 2--4 × petal number; ovary superior, generally lobed, chambers 1--5, ovules 1--several per chamber. Fruit: berry, drupe, winged achene, or capsule. Seed: generally oily. Genera In Family: +- 158 genera, +- 1900 species: especially tropics, warm temperate, especially southern Africa, Australia; used or cultivated for food (Citrus, 20--25 species), perfume, medicine, timber, ornamental (Choisya, Skimmia, etc). Toxicity: Some TOXIC: oils may cause sunburn or dermatitis. eFlora Treatment Author: Lindsay P. Woodruff & James R. Shevock, except as noted Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Thamnosma montana Torr. & Frém.
NATIVE Stem: 3--6 dm, broom-like, +- yellow-green, densely gland-dotted, generally leafless. Leaf: simple, 0.5--1.5 cm. Flower: sepals +- 2 mm, ovate, +- green; petals 8--12 mm, elliptic, dark purple, tips reflexed; ovary stalked, ovules 3--8 per chamber, style well-exserted. Fruit: lobes +- 5 mm wide, +- spheric. Seed: 1--4 per chamber, +- 4 mm, reniform, +- smooth, +- brown. Ecology: Dry slopes, washes, mesa tops; Elevation: < 2100 m. Bioregional Distribution: PR, D; Distribution Outside California: to Utah, Arizona, Mexico. Flowering Time: Feb--May Jepson eFlora Author: Lindsay P. Woodruff Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Thamnosma Next taxon: Salicaceae
Botanical illustration including Thamnosma montana
Citation for this treatment: Lindsay P. Woodruff 2012, Thamnosma montana, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=46311, accessed on October 03, 2023.
Citation for the whole project: Jepson Flora Project (eds.) 2023, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on October 03, 2023.
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(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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CCH collections by month
Duplicates counted once; synonyms included.
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Blue line denotes eFlora flowering time (fruiting time in some monocot genera).