Page 82: 3,316 results for 2
-
Genus: Lycopus (water-horehound)
...has 2 stamens while Mentha has 4. The shape of the fruit segments also differs: flattened at the top in Lycopus and sometimes with a crest or tubercles; rounded in Mentha. Reference: Henderson (1962)....
-
Genus: Valerianella (corn-salad)
...fruit's locules. Many taxa have been named based solely on differences in fruit morphology. However, Ware (1983) determined that a single species may produce 2 or 3 types of fruits within a given...
-
Lemna valdiviana (pale duckweed)
...than 2/3 of distance from root node to tip of thallus, thalli mostly 1–2.5 mm long, 1–2 times as long as broad, broad-elliptic to broad-oblong or obovate (vs. L. valdiviana, with the vein usually exte...
-
Lentibulariaceae: Dichotomous Key
...with 2 lobes; plants aquatic or of wetlands
-
Violaceae: Dichotomous Key
...928] 1b. Sepals with basal auricles; corolla white, yellow, blue to purple, or multicolored (but not green-white); stamens connivent but not fused, the two lower ones with appendages that...
-
Abies: Dichotomous Key
...the 2- and 3-year-old ones 1b. Branches ungrooved or scarcely grooved 2a. Leaves 1.2–2.5 cm long, dark green and hardly (if at all) glaucous; seed cones 4–7 cm long; resin ca...
-
Sagittaria: Dichotomous Key
... 2a. Lower flowers bisexual; leaves represented by thick, spongy phyllodia (2–) 2.5–8 (–8.5) mm wide at the midpoint in drying (sometimes with a small, expanded blade at the apex) ...
-
Group 5: Woody angiosperms with alternate leaves: Dichotomous Key
... 21b. Stamens 18–100, the anthers versatile; fruit a green-yellow berry 20–30 mm long; pith diaphragmed 15b. Plants erect to mat-forming, but not climbing 22a. Plants...
-
Alismataceae: Dichotomous Key
... 2a. Roots not septate; flowers all bisexual; achenes longitudinally ribbed; inflorescence usually an umbel (i.e., with a single whorl of pedicels) 2b. Roots septate; at least the...
-
Juncus: Dichotomous Key
... 22a. Widest leaf blades (1.3–) 1.6–2.6 (–3.5) mm wide; anthers (0.2–) 0.3–0.5 (–0.7) mm long, concealed by the tepals; tallest stems (19.2–) 26–44 (–56.8) cm tall; sheath of lowest leaf (17–)...