WARTY SPURGE
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| File Size: 59 KB |
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Euphorbia spathulata Lam.
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| Konza Prairie, Riley County, Kansas |
| Usually annual, rarely biennial |
| Height: 4-28 inches |
| Family: Euphorbiaceae - Spurge Family |
| Flowering Period: May, June, July, August, September |
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| Stems: | | Ascending to erect, simple or branched, glabrous; not rooting at nodes. | | Leaves: | | Alternate; stipules absent; petiole absent; blade oblanceolate to oblong or spatulate, .4 to 2 inches long, .25 to .4 inch wide, base symmetric, subcordate to rounded or attenuate, sometimes clasping, margins finely toothed, tip rounded to obtuse or retuse, surfaces glabrous. | | Inflorescences: | | Cyathia, terminal, peduncle .01 to .06 inch. | | Flowers: | | Involucres campanulate, 0.2 to 0.6 x 0.3 to 0.5 inch, glabrous; glands 4 to 5, greenish, elliptic to obong or reniform; appendage absent. Staminate flowers 3-10, sepals 0; petals 0; stamen 1. Pistillate flower: ovary glabrous; styles cleft in two parts for 1/2--1/4 their lengths. | | Fruits: | | Capsules depressed-globose, 3-lobed, .08 to .14 inch, glabrous, warty near apex and along lobes; seeds reddish brown to dark purple, ovoid to globose, .05 to .09 inch, smooth to reticulate or ridged. | | Habitat: | | Rocky or sandy tallgrass and mixed-grass prairies. | | Distribution: | | Principally east 2/3 but also scattered occurance in west of Kansas. | | Origin: | | Native | | Comments: | | For Euphorbus, 1st century Greek physcian.
Euphorbia is among the largest genera of flowering plants. |
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| Warty spurge |  | | 149 KB | | Konza Prairie, Riley County, Kansas |
| | Warty spurge |  | | 120 KB | | Konza Prairie, Riley County, Kansas |
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