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Malvaceae: Dichotomous Key
...0.5–1 mm long and with 3 seeds; leaf blades 3–7 cm long, ovate 6b. Gynoecium with 5–12 (–15) carpels, mature carpels each with 1 seed and either lacking a beak or terminated by 1 or 2 bea...
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Brassicaceae: Dichotomous Key
... 11a. Petals all of similar size (or absent) [Fig. 522]; silicle with either a short or obsolete style or with a truncate apex or both [Figs. 521, 522] (in part) 11b. Outer two ...
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Elymus: Dichotomous Key
...awns 10–25 mm long; lemmas including the awns 35–50 mm long, the lemma awns (10–) 15–40 mm long; spikes 25–60 mm wide, usually exserted [Fig. 221]; spikelets spreading-ascending [Fig. 221] ...
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Muhlenbergia: Dichotomous Key
...caryopsis 1.1–2 mm long 11a. Ligule 1–2.5 mm long; panicle loose, with pedicels 0.8–3.5 mm long; spikelets usually without anthocyanic pigments; anthers 0.4–0.8 mm long 11b. ...
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Medicago: Dichotomous Key
...(1989). 1a. Inflorescence with 1 or 2 (–3) flowers; legume (30–) 40–100 mm long, unarmed, merely curved 1b. Inflorescence with (1–) 2–50 flowers; legume 1–10 mm long, arme...
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Dactyloctenium aegyptium (Durban crowfoot grass)
...awn 1–2.5 mm long).: Chloris gayana inflorescence subglobose, congested, with branches 4–15 mm long; axis of each branch prolonged beyond the apical-most spikelet for ...
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Schoenoplectus: Dichotomous Key
...ca. 1 mm long); anthers 0.4–0.6 mm long; stems ca. 0.5–1 mm thick at the midpoint 3a. Leaf-bearing nodes confined to the very base of the stem; achenes pitted to nearly smooth [Fig. 126],...
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Poa: Dichotomous Key
... 1⁄10 to ⅓ stem height; reproductive stems with 0 (–1) exposed nodes, the nodes usually concealed within the leaf sheaths; ligules (1–) 1.2–2 (–2.5) mm long; mature, intact spikelets (1.7...
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Sparganium: Dichotomous Key
...(1986, 1987) did not mention the occurrence of this hybrid. References: Cook and Nicholls (1986, 1987). 1a. All or most flowers and fruits with 2 stigmas; all or most ovaries with 2 lo...
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Desmodium: Dichotomous Key
...0.8–1.2 times as long as wide [Fig. 638] 1b. Stems erect or ascending; inflorescences terminal or both terminal and axillary; terminal leaflet 1–10 times as long as wide 2a. ...