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|Jepson eFlora: Taxon page
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|Family: Chenopodiaceae||View Description||Dichotomous Key|
|Genus: Chenopodium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Chenopodium macrospermum Hook. f.
Habit: Annual 8--60 cm. Stem: proximal branches decumbent, distal ascending. Leaf: blade 8--60 mm, +- deltate, +- diamond-shaped, thick to fleshy, margin generally serrate, adaxially glabrous or sparsely powdery, powdery abaxially, glabrous in age, base rounded to tapered. Inflorescence: +- spheric clusters 3--5 mm diam, in dense terminal and axillary spikes. Flower: calyx 3-lobed in vertically seeded flowers, 4--5-lobed in horizontally seeded flowers; calyx enclosing fruit, +- glabrous, tube > lobes, lobes deltate, lobe tips rounded to acute; stamen 1. Fruit: +- 1 mm diam; wall attached to seed. Seed: vertical, horizontal, +- red; seed coat netted.
Ecology: Wet places, marshes; Elevation: < 100 m. Bioregional Distribution: NCo, deltaic GV, CCo, SnFrB, SCo; Distribution Outside California: to Washington; probably native to South America. Flowering Time: Jul--Oct
Synonyms: Chenopodium macrospermum var. farinosum (S. Watson) J.T. Howell; Chenopodium macrospermum var. halophilum (Phil.) Standl.
eFlora Treatment Author: Steven E. Clemants & Nuri Benet-Pierce
Jepson Online Interchange
Previous taxon: Chenopodium littoreum
Next taxon: Chenopodium missouriense
Citation for this treatment: Steven E. Clemants & Nuri Benet-Pierce 2017. Chenopodium macrospermum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=19179, accessed on April 23, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2017.