Eremalche
Leafl. Bot. Observ. Crit. 1: 208. 1906.
| Taxon | Illustrator ⠉ | |
|---|---|---|
 | Cienfuegosia yucatanensis Eremalche rotundifolia Eremalche parryi subsp. parryi Callirhoe involucrata var. involucrata Callirhoe leiocarpa | Linny Heagy Linny Heagy Linny Heagy |
Herbs, annual, sometimes gynodioecious. Stems prostrate to erect, sparsely to densely hairy. Leaves: stipules caducous, subulate; blade reniform-round, unlobed or palmately 3-, 5-, [7-] cleft, base truncate to cordate, margins usually toothed, sometimes entire. Inflorescences axillary, solitary flowers in lower axils, congested and ± corymbose at branch tips; involucellar bractlets persistent, 3, distinct. Flowers: calyx not accrescent, not inflated, lobed to beyond middle, lobes not ribbed, acuminate; corolla campanulate, white to rose, lavender, or mauve, drying purple or blue; staminal column included; ovary 9–36-carpellate; ovules 1 per carpel; styles 9–36-branched (branches equal in number to carpels); stigmas terminal, capitate. Fruits schizocarps, oblique, not inflated, depressed-discoid, edge corrugate or reticulate, glabrous; mericarps 9–36, drying black, 1-celled, without spur, ± spheric, unarmed, lateral walls ± disintegrated, indehiscent. Seeds ascending, 1 per mericarp, black, obovoid-reniform, glabrous. x = 10.
Distribution
sw United States, nw Mexico
Discussion
Species 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Leaf blades unlobed; petals magenta-spotted at base; mericarps 2.8–3.5 mm. | Eremalche rotundifolia |
| 1 | Leaves lobed or parted; petals not spotted; mericarps 1.4–1.8 mm | > 2 |
| 2 | Flowers bisexual; petals 4–5.5 mm, ± equaling calyx; plants prostrate to decumbent. | Eremalche exilis |
| 2 | Flowers bisexual or pistillate; petals 5.5–20(–25) mm, equaling or exceeding calyx; plants erect, main stem unbranched or with ascending branches from base. | Eremalche parryi |