What’s a dichotomous key? Get HelpSee list of 4 species in this genus
- Group 1Lycophytes, Monilophytes
- Group 2Gymnosperms
- Group 3Monocots
- Group 4Woody angiosperms with opposite or whorled leaves
- Group 5Woody angiosperms with alternate leaves
- Group 6Herbaceous angiosperms with inferior ovaries
- Group 7Herbaceous angiosperms with superior ovaries and zygomorphic flowers
- Group 8Herbaceous angiosperms with superior ovaries, actinomorphic flowers, and 2 or more distinct carpels
- Group 9Herbaceous angiosperms with superior ovaries, actinomorphic flowers, connate petals, and a solitary carpel or 2 or more connate carpels
- Group 10Herbaceous angiosperms with superior ovaries, actinomorphic flowers, distinct petals or the petals lacking, and 2 or more connate carpels
Reference: Barkworth (2003c).
1b. Reproductive stems (2.5–) 5–20 mm thick near base; leaf blades 5–20 mm wide, flat when fresh (sometimes involute in S. cynosuroides); ligules 1–3 mm long; panicles with (3–) 5–67 branches (1.5–) 5–15 cm long
2b. Leaf blades strongly scabrous on the margins and near the apex; rhizomes light brown to purple-brown when fresh, with closely imbricate scales; axis of panicle branches not prolonged or shortly prolonged and then not exceeding the uppermost spikelet
Show photos of: Each photo represents one species in this genus.