| Monocotyledon | Literature for Juncus bufonius
Wagner et al., 1990, 1999. |
| Juncaceae -- The Rush Family | Bibliography |
| Juncus bufonius | |
Common name(s): bog rush, rush, common rush, toad rush |
| General Information | ||
|---|---|---|
| Distribution | This cosmopolitan, extremely variable species was probably originally native to Eurasia, North Africa, and North America.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Maui, Hawai`i. | |
| Habit |
Annual herbs; stems green, slender, terete, 0.5-4 dm long, usually tufted, branched from base. |
|
| Leaves |
Leaves few per stem, blades flat to subterete, 3-15 cm long, 1-1.5 mm wide, sheaths with hyaline margins, not prolonged into auricles. |
|
| Flowers |
Flowers pale green, solitary, in upper 1/3-1/2 of plant, forming leafy, compound, dichasial cymes, lowest bract leaf-like, each flower subtended by 2 hyaline bracteoles, some flowers cleistogamous; outer perianth parts 4-7 mm long, apex acute to acuminate, inner ones shorter than outer ones, apex acute to subacute, sometimes emarginate and mucronate, all with hyaline margins; stamens (3)6; anthers shorter than to longer than filaments. |
|
| Fruit |
Capsules 3-celled, 3-5 mm long, apex and base acute to rarely truncate. |
|
| Seeds |
Seeds brown, obliquely obovoid to ellipsoid-truncate, minutely reticulate, 0.3-0.5 mm long, without appendages. |
|
| Chromosomes |
Many numbers reported, from 2n = 30 to 2n = 120 |
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