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PLUMBAGINACEAE LEADWORT FAMILY

Robert E. Preston & Elizabeth McClintock

Annual to shrub [vine]. Leaf: simple, generally in basal rosette (cauline), entire or lobed. Inflorescence: raceme, cyme, or panicle (head-like in Armeria), generally scapose. Flower: bisexual, radial, generally small; calyx tubular, generally membranous or partly scarious, lobes 5, persistent; petals 5, ± free to ± fused, clawed, ± intertwined; stamens 5, opposite petals, occasionally epipetalous; ovary superior, generally 5-lobed or -ribbed, chamber and ovule 1, styles 5, occasionally fused. Fruit: utricle, achene, or capsule, ± enclosed in calyx.
27 genera, ± 1000 species: ± worldwide, especially Mediterranean, western and central Asia. [Lledo et al. 1998 Syst Bot 23:21–29] Some cultivated as ornamental (Limonium used as dried flower). —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Plumbaginaceae

PLUMBAGO LEADWORT
Perennial herb to shrub. Stem: erect to prostrate or climbing. Leaf: cauline, sessile or short-petioled; blade elliptic to oblanceolate or spoon-shaped, base narrowed, margin entire, tip acute to obtuse. Inflorescence: terminal or axillary spike-like racemes or panicles; pedicels short. Flower: occasionally heterostylous; calyx with stalked, head-like glands; corolla 5-lobed, salverform; stamens included or exserted; style 1, included or exserted; stigmas 5, linear. Fruit: capsule, brown, long-beaked.
12 species: worldwide, tropics & subtropics. (Latin, a lead-like ore, from historical use as cure for lead poisoning) [Smith 2005 FNANM 5:610–611]

P. auriculata Lam. CAPE LEADWORT
WAIF
Evergreen shrub. Stem: erect to trailing or climbing, diffuse-branched, to 3+ m, glabrous or hairy on new stems. Leaf: generally sessile (short-petioled); blade 2.5–9 cm, 0.5–2.5 cm wide, base generally long-tapered (clasping). Inflorescence: 2.5–3 cm, peduncle short-soft-hairy, glands 0. Flower: heterostylous; calyx 10–13 mm, short-soft-hairy, glandular; corolla pale blue, 37–53 mm, tube 28–40 mm, lobes 10–16 mm, 6–15 mm wide; styles 3. Fruit: 8 mm. Seed: 7 mm, brown.
2n=14+0–1B. Streambeds, canyons in coastal scrub; < 150 m. South Coast; native to South Africa. Ornamental, occasional escape from cultivation. All year [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 30 2014
Citation for this treatment: [Author of taxon treatment] 2013. Plumbago, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=38740, accessed on Jul 30 2014

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Bioregions in which Plumbago auriculata occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.