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Weed Identification in Christmas Trees

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Fall pancium - Pancium dichotomiflorum Michx.
Home > fall pancium
Fall pancium ligule
Fall pancium collar region.
Midvein of fall pancium
Prominent, white midvein of fall pancium.
Fall pancium seedhead
Fall pancium seedhead.
Life cycle: Erect summer annual.

Leaves
: Leaves are hairless at maturity, up to 20 inches long with a prominent, white midvein. Leaf sheaths are also hairless at maturity, and there are no hairs on the sheath margin. Seedlings may have hairs on the lower leaf surface and sheath, becoming less hairy with age.

Ligule
: Hairy.

Stems
: Erect, bending in a zigzag manner at the nodes, up to 6 feet tall.

Flowers and fruit: The seedhead is a large, open and spreading panicle that may be purple-tinted at maturity and yields small, straw-colored, oval seeds.

Reproduction: Seeds.
Similar weeds
Wild proso millet (P. miliaceum L.) Differs by having long, mostly perpendicular, stiff hairs covering both leaf surfaces and sheath and a nodding panicle with large, shiny, olive-brown to black, oval-shaped seeds. Seeds often persist on the roots of seedlings.

Witchgrass (P. capillare L.) Differs by having dense, mostly perpendicular, soft hairs covering the entire plant.
   
Wild proso foliage Witch grass foliage
Wild proso millet collar region. Witchgrass collar region.
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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02/07/08