Page 159: 3,996 results for 1
-
Cryptogramma stelleri (slender rock-brake)
...S1), endangered (code: E) Maine: extremely rare (S-rank: S1), ...
-
Pinus: Dichotomous Key
...(1993). 1a. Leaves in fascicles of 5, with 1 fibrovascular bundle in cross-section; bud scales with entire margins; seed cones 8–20 cm long; umbo terminal 1b. Leaves in fa...
-
Lythraceae: Dichotomous Key
...714, 715, 716]; fruit a capsule 2a. Corolla zygomorphic; hypanthium swollen or spurred near the base on one side; flowers with (6–) 11 or 12 (–14) stamens 2b. Corolla actinom...
-
Rubiaceae: Dichotomous Key
...(1999), but the report was erroneous. 1a. Plants woody; inflorescence a densely flowered, spherical cluster [Fig. 874]; corolla slender-funnelform 1b. Plants herbaceous; i...
-
Section Limosae: Dichotomous Key
...scales 1.3–1.8 mm wide, narrower than the perigynia they subtend; lateral spikes usually androgynous, (10–) 25–50 mm long; leaf blades 2–5 mm wide 2b. Carpellate scales 2–3.4 mm wide, wid...
-
Section Griseae: Dichotomous Key
...(1.8–) 2–2.6 mm wide, 1.8–2.3 (–2.6) times as long as wide; achenes borne on a stipe (0.2–) 0.3–0.4 (–0.5) mm long 5b. Perigynia obtusely trigonous in cross-section, 1.5–1.9 (–2.2) mm wid...
-
Calamagrostis: Dichotomous Key
...(1.5–) 1.7–3.5 (–4.5) mm long, 50–120 (–150)% as long as the lemma [Fig. 202]; awns straight or bent 4a. Panicle contracted and dense, (7–) 10–20 (–28) mm wide, the longer branches 1.4–5...
-
Setaria: Dichotomous Key
...4–12 bristles [Fig. 269]; spikelets 3–3.5 mm long 2b. Each spikelet subtended by 1–3 bristles (up to 6 in S. faberi); spikelets 1.6–3 mm long 3a. Axis of the panicle r...
-
Typha: Dichotomous Key
... 1b. Carpellate spikes 13–22 mm thick in fruit; leaves not glaucous, the widest ones 4–12 mm wide when fresh, 3–8 (–10) mm wide when dry; compound pedicels on denuded axis peg-like, 0.5–0.7 mm...
-
Dysphania: Dichotomous Key
...flowers 1.2–2.8 (–3.5) mm wide 2b. Fruits mostly horizontally oriented in the calyx, suborbicular or oval in outline, 0.6–1 mm wide 4a. Leaf blades 1.3–4.5 cm long, the lower...