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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.

 

MELILOTUS SWEETCLOVER

Kelly Steele & Duane Isely


Annual, biennial, unarmed. Stem: generally erect. Leaf: odd-1-pinnate; stipules generally narrow or bristle-like, bases fused to petiole; leaflets 3, margin toothed or wavy. Inflorescence: raceme, axillary or terminal, slender or short-cylindric, many-flowered. Flower: calyx lobes ± equal; corolla yellow or white; 9 filaments fused, 1 free. Fruit: indehiscent, 2–4 mm, ovate, compressed but thick, leathery, bumpy or not, ridges transverse to finely net-like. Seed: 1–2.
20 species: temperate Europe, especially Mediterranean, subtropical Asia, northern Africa, widely introduced, naturalized; several species widely cultivated for forage, green manure, soil improvement. (Greek: honey-lotus) TOXIC: inclusion in hay enhances production of mold toxins that may cause cattle death.
Unabridged references: [Stevenson 1969 Can J Plant Sci 49:1–20]

Key to Melilotus

1. Corolla 2.5–3 mm; fruit bumpy or with faint lines ..... M. indicus

1' Corolla 3–7 mm; fruit irregularly cross-ridged or with network of lines

2. Corolla white, 3.5–5 mm; fruit with network of lines ..... M. albus

2' Corolla yellow, 4.5–7 mm; fruit irregularly cross-ridged ..... M. officinalis

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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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