Page 25: 989 results for opposite
-
Section Vulpinae: Dichotomous Key
...surface opposite leaf blade (smooth in C. oklahomensis), the summits thin, fragile, colorless, and convex; leaf blades smooth on adaxial surface, not epistomic; inflorescence 5–15 cm long ...
-
Impatiens: Dichotomous Key
...Leaves opposite or whorled, the blades sharply serrate; petioles provided with large, dark glands; Perianth blue or purple to pink or white; capsule obovoid 1b. Leaves alternate, the blad...
-
Trifolium: Dichotomous Key
...of opposite leaves or their expanded stipules or by an involucre (i.e., a ring of fused bracts); plants perennial (annual in T. dalmaticum) 14a. Inflorescence subtended by an inv...
-
Ludwigia: Dichotomous Key
...Leaves opposite, the blades 5–30 mm long, abruptly narrowed to a broad petiole; flowering stems prostrate or creeping, often rooting at the nodes 1b. Leaves alternate, the principal blade...
-
Rhamnus: Dichotomous Key
...subopposite, or opposite (often displaying all arrangements on a given plant); plants often armed with a spine-like process near the apex of some branchlets or in the forks of some branches; plants up...
-
Saxifraga: Dichotomous Key
...Leaves opposite and borne on a stem, closely imbricate; petals purple 1b. Leaves alternate or ± all basal [Fig. 905], those borne on a stem not closely imbricate; petals white or yellow ...
-
Carex stipata (awl-fruited sedge)
...surface opposite the leaf blades, thick, firm, yellow, and concave at the summit, and leaf blades minutely papillose on the adaxial surface (vs. C. stipata, with leaf sheaths corrugated on the surface...
-
Solanaceae: Dichotomous Key
...leaves opposite; fruit a 2-valved capsule; 6b. All 5 anthers of similar size; calyx connate at least half its length (connate only near the base in Nicandra, but then each sepal wi...
-
Bolboschoenus: Dichotomous Key
...sheath opposite the leaf blade with abruptly diverging veins, green and firm-textured, prolonged 4b. Floral scales translucent, membranous-textured, with awns ca. 0.25 mm wide at the base...
-
Section Cyperoideae: Dichotomous Key
...sheaths opposite the blade with a prolonged, narrow hyaline area 12b. Perigynia 1.8–2.8 mm wide, up to 2.5 times as long as wide; leaf sheaths opposite the blade firm and green-veined nea...