Page 16: 1,106 results for apex
-
Selaginella: Dichotomous Key
...at apex, rarely attenuate and then often apically keeled and the vein not reaching tip; megaspores 0.29–0.35 (–0.38) mm in diameter, closely reticulate, dull 3b. Median trophophylls with ...
-
Polypodium: Dichotomous Key
...leaflet apex usually pointed; leaf blades tending to be more triangular, widest near the base [Fig. 30] 1b. Sporangiasters fewer than 40 per sorus; scales of rhizome and petiole golden br...
-
Adiantum: Dichotomous Key
...the apex [Fig. 32], in the same plane with the axis of the blade, thin-herbaceous to herbaceous, bright green to yellow-green; leaf blades lax and arching; plants primarily of rich, mesic forests ...
-
Nymphaea: Dichotomous Key
...the apex; abaxial surface of the sepals and leaf blades purple or sometimes green; inner filaments narrower than the anthers; seeds 1.5–2.5 mm long; branches of the rhizome not constricted at the base...
-
Asteraceae: Dichotomous Key
...the apex into many bristles in Dyssodia), or awns, a short crown, or entirely absent [Fig. 382] 2b. Capitula with zygomorphic ray flowers near the periphery, the rays sometimes min...
-
Platanthera: Dichotomous Key
...to apex 4b. Scape with 1–6 bract-like leaves; ovary on a stipe 5–10 mm long; flowers white to green-white; labellum downward oriented; spur clavate-thickened at apex 5a. Spu...
-
Poaceae Group 6: Dichotomous Key
...the apex, unawned or merely apiculate, exceeded by the paleas [Figs. 272, 273]; spikelets with a solitary, bisexual floret; ligules 0.3–3 mm long 3b. Lemmas 3-lobed or 5-lobed at the apex...
-
Poaceae Group 8: Dichotomous Key
...the apex, with 3 awns; ligules 0.1–0.5 mm long (in part) 1b. Lemmas entire or bilobed at the apex, awnless or with a single awn; ligules 0.5–16 mm long 2a. Inflorescence a ...
-
Deschampsia: Dichotomous Key
...the apex 3b. Leaf blades flat or conduplicate, 1–5 mm wide; ligule usually 3–12 mm long; lemmas glabrous, bearing a ± straight awn that is shorter than to slightly exceeding the lemmas; p...
-
Lolium: Dichotomous Key
...florets; apex of the glume of upper spikelets not reaching the tip of the lowest lemma on the same side; lemmas of the upper florets with a conspicuous awn to 10 mm (rarely absent); leaf blades rolled...