Page 83: 3,316 results for 2
-
Briza: Dichotomous Key
...1.3–2 mm long; plants perennial 1b. Ligules 4–13 mm long (rarely longer), pointed at apex (infrequently truncate); leaves ± evenly distributed on the stem; anthers 0.4–0.5 mm long; plant...
-
Phalaris: Dichotomous Key
...7–25 cm tall, some branching visible; glumes 4–6.5 mm long; sterile lemmas 1–2 mm long 1b. Plants annual, without rhizomes; keel of glumes winged [Fig. 250]; panicle 1.5–4 cm tall, very d...
-
Stuckenia: Dichotomous Key
...drupes 2–3 mm long
-
Potamogeton: Dichotomous Key
... 22b. Leaf blades narrow-ovate to narrow-lanceolate, (16–) 30–130 mm long, coarsely 13- to 21-veined [Fig. 297]; stipules disintegrating into persistent fibers; drupes 2.2–4.2 mm long ...
-
Bupleurum: Dichotomous Key
... 2b. Primary branches of inflorescence usually numbering 2 or 3 (–5); bractlets at base of umbellets suborbicular; fruit tuberculate; leaf blades usually ovate to oblong-lanceolate
-
Angelica: Dichotomous Key
... 2a. Ovary puberulent; ultimate segments of leaf blades 2–6 (–7) cm long, with an obtuse apex; pericarp tightly adherent to seed 2b. Ovary glabrous; ultimate segments of leaf blad...
-
Anthriscus: Dichotomous Key
...with 2–6 pubescent primary branches; beak of schizocarp prominent, narrower than and mostly 25–33% as long as the body; bracteoles linear; plants annual; ultimate segments of leaf blades mostly 5–10 m...
-
Ageratum: Dichotomous Key
...0.8–2 mm long, the abaxial surface stipitate-glandular, eciliate or sparsely ciliate on the margins 1b. Peduncles pubescent with eglandular hairs; involucral bracts oblong-lanceolate, abr...
-
Erigeron: Dichotomous Key
... 2a. Rays 0.5–1 (–2) mm long [Fig. 400]; involucre 2–5 mm wide (sometimes wider in pressed specimens); disk 1–3 (–4) mm wide in life 2b. Rays 4–10 mm long (very rarely wanting) [F...
-
Oclemena: Dichotomous Key
...10–22 1b. Rays pink to purple; leaves firm, entire or nearly so, often with revolute margins, the blades 2–12 mm wide, those of the stem below the capitulescence numbering 40–75 ...