| Dicotyledon | Literature for Pilea microphylla
Lorence & Wagner, 2020. |
| Urticaceae -- The Cecropia, Nettle Family | Bibliography |
| Pilea microphylla | |
Common name(s): artillery plant, rockweed |
| General Information | ||
|---|---|---|
| Distribution | Native to southern Florida, the West Indies, Mexico, and south to tropical South America.In the Hawaiian Islands, naturalized on Midway, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i. |
|
| Habit |
Monoecious or dioecious, annual or short-lived perennial herb; stems succulent, sometimes slightly woody at base, prostrate-spreading or cespitose, 5‒50 cm long. |
|
| Leaves |
Leaves crowded throughout stem length, short-petiolate or subsessile; blade obovate, elliptic, oblanceolate, or oblong, 1.5‒10 mm long, 1‒4 mm wide, those of a pair often unequal in size, sometimes some branches with leaves of a pair equal or all leaves of plant equal, secondary veins 2‒3 on each side, often inconspicuous, adaxial surface with crowded elliptic cystoliths, abaxial surface finely reticulate, margin entire; petiole (0‒)1‒4 mm long, always shorter than the blade; stipules ca. 1 mm long. |
|
| Flowers |
Inflorescences a sessile glomerule or cyme, peduncle 1‒6 mm long. Staminate flowers 0.6‒1 mm long, calyx lobes glabrous, each with a blunt, abaxial, apiculate appendage; pistillate flowers 0.8‒1 mm long, outer calyx lobe slightly longer than others, with inconspicuous abaxial, apiculate appendages. |
|
| Fruit |
Fruit ellipsoid, compressed, 0.5‒1 mm long, slightly longer than the largest calyx lobe. |
|
| Chromosomes |
2n = 36. |
|
| Contributor |
Nancy Khan |
