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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Annual, hairy, taprooted. Stem: ± erect; branches 0–many. Leaf: basal and cauline, sessile, entire. Inflorescence: raceme-like cymes, ± terminal; bracts leaf-like; pedicels erect in fruit. Flower: calyx ± deep-5-lobed, enlarged in fruit; corolla 5-lobed, funnel-shaped, appendages present; style entire. Fruit: nutlets generally 4, ovate, covered with ± long, barbed prickles, scar lateral.
12–14 species: northern hemisphere, especially Asia. (Latin: little bur)
1. Nutlet margin prickles in 2(3) rows, bases not or ± widened, not fused ..... [L. squarrosa]
1' Nutlet margin prickles in 1 row, bases widened or ± so, generally fused ..... L. redowskii
2. Nutlet margin prickles wider at base, fused into swollen crown ..... var. cupulata
2' Nutlet margin prickles ± wider at base, ± fused, not in crown ..... var. redowskii
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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