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|Jepson eFlora: Taxon page
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|Family: Apiaceae (Umbelliferae)||View Description||Dichotomous Key|
|Genus: Lomatium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Lomatium macrocarpum (Torr. & A. Gray) J.M. Coult. & Rose
Habit: Plant 1--5 dm; taproot or occasionally tubers slender or basally swollen; herbage gray, generally tomentose to densely short-hairy. Stem: short; base not fibrous. Leaf: petiole 1.5--7 cm; blade 2.5--15 cm, oblong to obovate, pinnately or ternate-pinnately dissected, segments 1--7 mm, linear to oblong, entire; cauline leaves like basal. Inflorescence: generally tomentose; peduncle 0.5--3 dm; involucel 1-sided; bractlets several, >= flowers, lance-linear to ovate, acute, +- fused, reflexing, not scarious; rays 5--25, 1--8.5 cm, spreading-ascending; pedicels 1--14 mm. Flower: corolla white, cream, or +- purple; ovary generally hairy. Fruit: 9--20 mm, lanceolate or oblong to narrowly elliptic, minutely hairy to +- glabrous; wings generally < body in width; oil tubes 1--3 per rib-interval. Chromosomes: 2n=22.
Ecology: Generally serpentine rocky slopes in chaparral or woodland; Elevation: 150--3000 m. Bioregional Distribution: NCo, KR, CaR, SNF, Teh, SnFrB, SCo; Distribution Outside California: to British Columbia, central Canada, North Dakota, Utah. Flowering Time: Apr--Jun
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Previous taxon: Lomatium lucidum
Next taxon: Lomatium marginatum
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2016. Lomatium macrocarpum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31433, accessed on July 24, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 24, 2016.