Chamber Bitter (Phyllanthus urinaria)

Common names:
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun to Partial Shade
Plant Height: 14-18 inches
Flowers: Inconspicuous
Uses: Medicinal Herb
Eating Methods: Tea


This plant is tagged in:

Posted by farmerdill (Augusta Georgia - Zone 8a) on Sep 12, 2014 5:24 PM

A cute little weed that emerges in numbers. It is a nuisance, but not overly competitive in a vegetable garden. It is not a heavy feeder, so it can coexist with large plants. Of course it will shade small plants. Fortunately, it is easy to remove through mechanical cultivation or pulling.

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Posted by plantladylin (Sebastian, Florida - Zone 10a) on Jun 25, 2019 9:23 AM

Phyllanthus urinaria is a low growing plant, reaching heights of about 14 inches. It grows in both sun and shade and has small, alternate leaves which are larger at the tip and smaller towards the bottom. Chamber Bitter leaves resemble those of Mimosa, opening during the day and closing at night. The tiny flowers are borne in the leaf axils and are greenish-yellow to white in color. The also tiny, round fruits are green to red in color and are borne along the reverse side of the stems. This plant is prolific in producing seed, which germinate from summer to fall and the seed can remain dormant for extended periods. Phyllanthus urinaria is adaptable to a wide range of ecological habitats; it is considered a noxious weed and is listed as invasive in some areas.

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Discussion Threads about this plant
Thread Title Last Reply Replies
What kind of plant/weed? by Clemsontiger04 Jun 25, 2019 8:54 AM 3
Mystery plant by Plantfinder78 Dec 26, 2018 8:18 AM 1
What is this weed? it a weed?? by TartanTaterTot Aug 13, 2018 7:17 AM 19
Fern? by bholler Sep 22, 2017 1:39 PM 8
Groundcover ID by EvergreenMike Apr 7, 2017 8:07 PM 11
Does anyone know what this beautiful little tree or plant is? by shantelstone Jun 29, 2016 5:58 PM 19
Critter Week by Ursula Dec 14, 2019 4:44 PM 1,755
Mascarene Island Leafflower (Phyllanthus tenellus) by mellielong Aug 31, 2015 12:33 PM 4
Chamber Bitter (Phyllanthus urinaria); common Florida weed with caterpillars by mellielong Aug 31, 2015 11:01 AM 16
August 2015 Butterflies, Moths & Larva by mellielong Sep 1, 2015 12:28 PM 565

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