subterminal. Vegetative and reproductive buds vary in size, shape, and position. Three general types of bud size and shape gradation are recognized; namely, alba-type
32 KB (4,205 words) - 23:31, 5 November 2020
attached, clathrate. Petioles not articulate. Blades 1–4-pinnate, of diverse size and shape. Indusia present. x = 36. Worldwide. Species ca. 700 (28 species
10 KB (249 words) - 21:22, 5 November 2020
Flowers: sepals persistent or deciduous, 5, connate at base, equal or unequal in size, margins scarious, entire, ciliate, or toothed, glandular or not; petals
5 KB (479 words) - 20:16, 5 November 2020
stipules present or absent; petioles present. Leaf blades paired, equal in size (except in Pilea, which may have unequally paired leaves), dotted with linear
7 KB (600 words) - 22:53, 14 January 2021
leaves, most sporophylls fertile; megasporophylls and microsporophylls same size, in 4 alternating ranks, appressed, base usually with 2 diverging flaps or
15 KB (584 words) - 21:21, 5 November 2020
cilia variously short and appendiculate, or absent. Spores shed singly, size often variable in same collection and capsule, 10–50 µm, smooth to distinctly
6 KB (577 words) - 22:34, 5 November 2020
[present as glands]; petiolate or not; blade mostly ± uniform in shape and size, sometimes weakly to strongly dimorphic, pinnately veined, secondary venation
11 KB (1,157 words) - 23:52, 2 December 2022
from deciduous branchlets by shorter segments and differences in shape or size of leaves; furrows deep and closed, concealing stomates. Infructescences
3 KB (155 words) - 22:51, 5 November 2020
lanceolate-acuminate, external surface lamellose; endostome usually equal in size to exostome, basal membrane high, segments often perforate with gaps along
8 KB (668 words) - 22:35, 5 November 2020
mostly aporose, but may be porose in some species. Stem leaves similar in size to branch leaves; varying from triangular to lingulate-spatulate; apex varying
14 KB (476 words) - 22:28, 5 November 2020
micrometer is necessary to determine spore size. Twenty spores should be measured to determine their average size. Normally, megaspores are globose and marked
13 KB (992 words) - 21:21, 5 November 2020
oblong-hexagonal, surface not bulging, smooth, walls thin, lax; basal cells same size as distal cells. North America, Europe, Asia. Species 1. Amblyodon is characteristically
2 KB (106 words) - 22:35, 5 November 2020
cells and abaxial stereids; medial laminal cells of somewhat uneven shape and size across leaf, more or less quadrate or short-rectangular, often irregularly
5 KB (526 words) - 22:27, 5 November 2020
characteristics in sagebrush taxonomy are size of the plant, shape and lobing of the vegetative leaves, and size and shape of the flowering heads (A. A.
9 KB (668 words) - 20:57, 5 November 2020
long-acuminate, acumen erect to wide-spreading; perichaetial leaves same size as or smaller than vegetative leaves, sometimes strongly differentiated,
7 KB (687 words) - 22:35, 5 November 2020
sterile florets below a bisexual floret, sterile florets often reduced in size; rachillas sometimes prolonged beyond the base of the distal florets. Glumes
40 KB (861 words) - 17:24, 11 May 2021
leaves are usually different in size, shape, and lobing from the distal leaves. Other taxonomic characters include size and habit, corolla color, number
10 KB (560 words) - 20:51, 5 November 2020
Etymology: Greek iso, equal, and tri, 3 probably referring to 3 sepals of equal size and shape Treatment appears in FNA Volume 26. Treatment on page 511. Mentioned
4 KB (296 words) - 22:11, 5 November 2020
with 1 glume; lower glumes absent; upper glumes and lower lemmas similar in size and texture, exceeded by the upper florets; upper florets turgid, ellipsoidal;
4 KB (415 words) - 18:31, 28 May 2021
polyoicous; perigonia and perichaetia terminal or lateral; perichaetial leaves same size as vegetative leaves or usually larger, sometimes forming rosette, inner
12 KB (818 words) - 22:34, 5 November 2020