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MALVACEAE MALLOW FAMILY

Steven R. Hill, except as noted

Annual to tree; generally with stellate hairs, often with bristles or peltate scales; juice generally mucilage-like; bark fibrous. Leaf: generally cauline, alternate, petioled, simple [palmate-compound], generally palmate-lobed and/or veined, generally toothed, evergreen or not; stipules persistent or not. Inflorescence: head, spike, raceme, or panicle, in panicle or not (a compound panicle), or flowers >= 1 in leaf axils, or flowers generally 1 opposite a leaf or on a spur; bracts leaf-like or not; bractlets 0 or on flowering stalks, often closely subtending calyx, generally in involucel. Flower: generally bisexual, radial; sepals 5, generally fused at base, abutting in bud, larger in fruit or not, nectaries as tufts of glandular hairs at base; petals (0)5, free from each other but generally fused at base to, falling with filament tube, clawed or not; stamens 5–many, filaments fused for most of length into tube around style, staminodes 5, alternate stamens, or generally 0; pistil 1, ovary superior, stalked or generally not, chambers generally >= 5, styles or style branches, stigmas generally 1 or 1–2 × chamber number. Fruit: loculicidal capsule, [berry], or 5–many, disk- or wedge-shaped segments (= mericarps).
266 genera, 4025 species: worldwide, especially warm regions; some cultivated (e.g., Abelmoschus okra; Alcea hollyhock; Gossypium cotton; Hibiscus hibiscus). [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553] Recently treated to include Bombacaceae, Sterculiaceae, Tiliaceae. Mature fruit needed for identification; "outer edges" are surfaces between sides and back (abaxial surface) of segment. "Flower stalk" used instead of "pedicel," "peduncle," especially where both needed (i.e., when flowers both 1 in leaf axils and otherwise). —Scientific Editors: Steven R. Hill, Thomas J. Rosatti.
Unabridged references: [Alverson et al. 1999 Amer J Bot 86:1474–1486; Bayer et al. 1999 Bot J Linn Soc 129:267–303; Hill 2009 Madroño 56:104–111]

Key to Malvaceae

HERISSANTIA BLADDER MALLOW

John C. La Duke

Annual, perennial herb. Stem: generally decumbent or trailing. Leaf: stipules inconspicuous, deciduous; lower petioled, on flower branches often ± sessile; blade cordate, ovate, dentate. Inflorescence: flowers 1–few in leaf axils; flowering stalks slender, jointed; bractlets 0. Flower: petals white to pale yellow; anthers at tip of filament tube; styles, stigmas (8)10–15, stigmas head-like. Fruit: nodding; segments (8)10–15, dehiscent, bladdery, inflated, rounded at top, side walls thin, flexible, smooth. Seed: generally glabrous, 2, 3, 6 per segment.
5 species: warm, tropical America. (L.A.P. Herissant, French physician, naturalist, poet, 1745–1769)
Unabridged references: [Fryxell 1988 Syst Bot Monogr 25:189–192]

H. crispa (L.) Brizicky CURLY HERISSANTIA
NATIVE
Stem: < 10 dm. Leaf: blade 1–7 cm, generally 2 × petiole, reduced upwards. Inflorescence: flower stalk generally reflexed at joint. Flower: calyx 3–7 mm, lobes ± lanceolate; petals 6–11 mm; anthers golden-yellow (orange). Fruit: 10–20 mm diam, spheric, inflated; segments generally taller than wide, short-bristly, papery, silvery-shiny inside. Seed: generally 3.
2n=14. Desert scrub; < 800 m. w Sonoran Desert (c San Diego Co.); Arizona, New Mexico, Texas, Florida; tropics. Aug–Sep [Online Interchange] {CNPS list}

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Aug 20 2014
Citation for this treatment: [Author of taxon treatment] 2013. Herissantia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28003, accessed on Aug 20 2014

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click for enlargement Herissantia crispa
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2004 Debra Valov

Geographic subdivisions indicated for the distribution of Herissantia crispa 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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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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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.