| Dicotyledon | Literature for Chenopodiastrum murale
Wagner et al., 1990, 1999. |
| Amaranthaceae -- The Amaranth, Goosefoot Family | Bibliography |
| Chenopodiastrum murale | |
Common name(s): goosefoot, lamb's quarters, pigweed, `aheahea |
| General Information | ||
|---|---|---|
| Distribution | Probably originally native from the Mediterranean region to southwestern Asia, now a cosmopolitan weed. In the Hawaiian Islands, naturalized on Kure, Midway, French Frigate Shoals, Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i. | |
| Habit |
Annual herbs; stems erect or ascending, 3-10 dm long, usually many-branched, mealy pubescent especially on young parts, rarely densely so. |
|
| Leaves |
Leaves variable, usually rhombic-ovate, 1.5-9 cm long, 0.8-5(-7) cm wide, mealy pubescent at least on lower surface, margins with 5-15 coarse, ± irregular, ascending teeth on each side. |
|
| Flowers |
Flowers in small, dense glomerules grouped into leafy, terminal and axillary, divaricately branched cymes up to ca. 5 cm long; calyx ca. 1 mm long, not completely enclosing the fruit at maturity, papillose and with a raised keel toward apex. |
|
| Seeds |
Seed black, not especially shiny, horizontal, 1.2-1.5 mm in diameter, acutely keeled, the surface under high magnification marked with minute rounded pits. |
|
| Chromosomes |
2n = 18. |
|
