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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.

 

LOBELIA

Tina Ayers


Biennial, perennial herb [shrub], glabrous or hairy. Leaf: mostly basal or all cauline, 0.5–1.5 cm wide, lance-linear to elliptic, sessile, margin with small, gland-tipped teeth; cauline alternate. Inflorescence: raceme [or spike or panicle]. Flower: bilateral, inverted in full bloom by twisted pedicel; corolla red, blue (or white), tube entire or with an upper sinus, limb strongly 2-lipped, 2 lobes of upper lip < 3 of lower; stamens fused, generally 2 smaller anthers each with terminal tuft of bristles, 1 sometimes triangular or horn-like, others linear, shorter; ovary ± spheric, chambers 2, placentas 2, axile. Fruit: spheric, valves 2, at top, within sepals, short.
± 350 species: ± worldwide. (Matthias de l'Obel, Flemish botanist, 1538–1616)

Key to Lobelia

1. Corolla red (white); stem erect. 4–20 dm ..... L. cardinalis var. pseudosplendens

1' Corolla blue; stem decumbent to sprawling, < 8.5 dm

2. Upper sinus of corolla = lateral; flower bracts leaf-like ..... L. dunnii var. serrata

2' Upper sinus of corolla >> lateral; flower bracts not leaf-like ..... [L. erinus]

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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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