Weed
rough dropseed
FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
Lanceolate
Brown with black mottling on floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
Caryopsis brown with dark scutellumScutellum:
A shield-shaped highly modified, single cotyledon in grasses (Poaceae) that absorbs nutrients from the endosperm and provides energy for germination.
CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
is translucent and finely striate. LemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
are sparsely pubescentPubescent:
Having hairs.
.
Long, pointed and mottled
Protruding from lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and 2/3 the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
length
EmbryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
is dark; caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
is laterally compressed.
The floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
is mostly seen. It is longer and more pointed than found in most Sporobolus sp. The dark pigmented scutellumScutellum:
A shield-shaped highly modified, single cotyledon in grasses (Poaceae) that absorbs nutrients from the endosperm and provides energy for germination.
found here is found in others of the same genera.
Not listed
Not included
For more information, see ISMA fact sheet, Sporobolus spp.
Poaceae
Sporobolus clandestinus (Biehler) Hitchc.
Sporobolus asper (P. Beauv.) Kunth var. canovirens (Nash) Shinners
Sporobolus asper (P. Beauv.) Kunth var. clandestinus (Biehler) Shinners
Sporobolus canovirens Nash
Sporobolus clandestinus (Biehler) Hitchc. var. canovirens (Nash) Steyerm. & Kucera
Sporobolus compositus (Poir.) Merr. var. clandestinus (Biehler) Wipff & S.D. Jones
Sporobolus longifolius (Torr.) Alph. Wood