Kallstroemia parviflora Norton

Warty caltrop (en)

Species

Angiosperms > Zygophyllales > Zygophyllaceae > Kallstroemia

Characteristics

Herbs, annual. Stems prostrate to decumbent or ascending, to 1(–1.5) m, ± coarsely hirsute and sericeous with white or gray antrorse hairs, becoming glabrate. Leaves elliptic in outline, 1–6 × to 3 cm; stipules 5–7 × 1–3 mm; leaflets 6–10(–12), elliptic to oblong, 8–19 × 3.5–9 mm, middle pairs largest, surfaces appressed-hirsute, veins and margins sericeous. Pedicels 10–40 mm in flower and fruit, usually longer than, sometimes equaling, subtending leaves, thickened distally, straight or sharply bent at base and straight distally. Flowers 10–25 mm diam.; sepals persistent, lanceolate, 4–7 × 1–2 mm, 2/3 as long as petals, in flower longer than style, in fruit shriveling and turning brown, appressed to mericarps and reaching from top of fruit body to tip of style, margins becoming sharply involute, hispid and strigose; petals marcescent, 1-colored, orange, drying white to yellow, narrowly obovate, 5–12 × 3.5–5 mm; stamens as long as style; anthers yellow, usually ovoid, rarely linear, less than 1 mm; ovary ovoid, 1 mm diam., hairy; style cylindric, 1 mm, as long or longer than ovary, strigose or glabrous; stigma terminal. Schizocarps ovoid, 3–4 × 4–6 mm, strigose; beak cylindric, 3–9 mm, as long as to 3 times as long as fruit body, base scarcely conic, strigose or glabrous; mericarps 3–4 × 1 mm, abaxially rugose to tuberculate, tubercles if present all rounded, less than 1 mm, sides lightly to strongly pitted, adaxial edge angled.
More
Annual; stems 3–6 dm, finely pubescent with incurved ascending hairs and ± coarsely hirsute; lvs 3–6 cm, short-petioled; lfls usually 4 pairs, elliptic or oblong, pubescent; peduncles 1–3 cm; fls 1 cm wide; fr-body ovoid, strigose, 4 mm, the beak slightly longer. Disturbed dry places, often along railways; Ill. to Ariz., s. to Mex. and C. Amer. (K. intermedia)
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) 5-11

Usage

Uses poison
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 21
Germination temperacture (C°) 15 - 18
Germination luminosity -
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Optimum temperature (C°) -
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Images

Kallstroemia parviflora unspecified picture

Distribution

Kallstroemia parviflora world distribution map, present in Colombia, Ecuador, Mexico, Peru, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:133202-2
WFO ID wfo-0001146323
COL ID 6NJRT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Kallstroemia intermedia Kallstroemia parviflora Kallstroemia laetevirens