longer, then sheath shorter than diameter of stem. Key E 5 Bracts, at least the proximal, with sheath 4+ mm, longer than diameter of stem. Key F
80 KB (3,349 words) - 15:29, 15 December 2020
"bract quantity","bracteole presence","flower diameter","flower reproduction","fruit architecture","fruit diameter","fruit pubescence","fruit quantity","fruit
5 KB (546 words) - 13:49, 30 July 2020
[{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","base shape","blade atypical some measurement","blade
6 KB (606 words) - 14:37, 30 July 2020
rarely with abaxial lamellae, in cross-section with a prominent arc of large diameter guide cells and an abaxial stereid band; lamellae entire, finely serrulate
18 KB (1,106 words) - 06:45, 30 July 2020
[{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","base shape","blade atypical some measurement","bract
8 KB (677 words) - 14:35, 30 July 2020
occasionally present as a thin membrane at apex. Spores 50–320 µm in longest diameter, rarely much larger, 4–176 per capsule. Worldwide except Antarctica, in
7 KB (330 words) - 06:52, 30 July 2020
nonbasal bracts filiform or scalelike, sheathing at least 3 mm, longer than diameter of stem; lateral spikes pistillate, androgynous, or, rarely, staminate
9 KB (463 words) - 02:12, 30 July 2020
[{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","base shape","bract architecture","bract presence"
28 KB (995 words) - 14:38, 30 July 2020
leaflike, sheathless or short-sheathed, less than 4 mm, shorter or longer than diameter of stem; lateral spikes pistillate, pedunculate, prophyllate; terminal
14 KB (621 words) - 02:15, 30 July 2020
architecture","root architecture or pubescence or relief","root coloration","root diameter","root reproduction","row quantity","sporangium architecture","sporangium
1 KB (286 words) - 00:35, 30 July 2020
proximal nonbasal bracts leaflike, long-sheathing, shorter or longer than diameter of stem; lateral spikes pistillate, rarely distal androgynous, larger spikes
10 KB (625 words) - 02:18, 30 July 2020
pistil 1, with 3 styles, tapering from ovary; stigmas 3, barely larger than diameter of style, rudimentary in staminate flowers; pedicel ascending to spreading
13 KB (735 words) - 06:04, 30 July 2020
proximal bracts leaflike, long-sheathing, sheath more than 4 mm, longer than diameter of stem; lateral spikes pistillate, pedunculate, prophyllate; terminal
9 KB (480 words) - 02:06, 30 July 2020
proximal nonbasal bracts leaflike, long-sheathing, more than 4 mm, longer than diameter of stem; lateral spikes pistillate, rarely basal, pedunculate, prophyllate;
12 KB (663 words) - 02:07, 30 July 2020
usually flat, or almost so, when encountered in the field or herbarium. "Diameter" is given for leaves that are usually folded or conduplicate when encountered;
52 KB (3,291 words) - 03:08, 30 July 2020
bracts leaflike, sheathless or sheath less than 4 mm, shorter or longer than diameter of stem; proximal 1–5 lateral spikes pistillate, with 40–200 perigynia
13 KB (709 words) - 02:14, 30 July 2020
translucently thin stem section. Stem diameter includes the tubercles, unless otherwise stated; lesser stem diameter excludes the tubercles and is used only
25 KB (1,748 words) - 09:25, 30 July 2020
architecture","ovary shape","perianth architecture","perianth coloration","perianth diameter","perianth position","perianth variability","petal orientation","petal
2 KB (482 words) - 06:06, 30 July 2020
(usually a fascicle of several, tuberlike roots greatly exceeding stem diameter in E. poselgeri; sometimes adventitious in E. pentalophus). Stems unsegmented
24 KB (1,147 words) - 09:19, 30 July 2020
architecture","ovary shape","perianth architecture","perianth coloration","perianth diameter","perianth position","perianth variability","petal orientation","petal
2 KB (547 words) - 06:06, 30 July 2020
[{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","base shape","blade atypical some measurement","bract
7 KB (671 words) - 14:34, 30 July 2020
bracts leaflike, sheathless or sheath less than 4 mm, shorter or longer than diameter of stem; proximal (1–) 2–5 (–6) lateral spikes pistillate, cylindric, pedunculate
9 KB (468 words) - 02:15, 30 July 2020
spikes; proximal bracts leaflike, sheathing, sheath 4+ mm, longer than diameter of stem; lateral spikes pistillate or distal lateral spike androgynous
7 KB (407 words) - 02:17, 30 July 2020
proximal bracts leaflike or threadlike, sheathless or sheath longer than diameter of stem, at least 3 times as long as inflorescence; lateral spikes pistillate
7 KB (433 words) - 02:17, 30 July 2020
measurement"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","base shape","blade atypical some measurement","blade
8 KB (880 words) - 14:37, 30 July 2020
,"adaxial surface coloration","adaxial surface life cycle","androecium diameter","androecium position","apex pubescence","bark architecture or pubescence
8 KB (726 words) - 13:48, 30 July 2020
nonbasal bracts leaflike, long-sheathing, sheath more than 4 mm, longer than diameter of stem; lateral spikes pistillate or androgynous, rarely distal 1–3 spikes
8 KB (535 words) - 02:08, 30 July 2020
quantity"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","bract architecture","bract presence","carpel fusion"
12 KB (981 words) - 14:43, 30 July 2020
measurement"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","bract architecture","bract presence","carpel fusion"
13 KB (1,053 words) - 14:38, 30 July 2020
,"adaxial surface coloration","adaxial surface life cycle","androecium diameter","androecium position","apex pubescence","bark architecture or pubescence
6 KB (585 words) - 13:48, 30 July 2020
reproduction","face architecture","face pubescence","head arrangement","involucre diameter","involucre shape","leaf architecture","leaf position","line shape","lobe
7 KB (663 words) - 21:03, 29 July 2020
,"adaxial surface coloration","adaxial surface life cycle","androecium diameter","androecium position","apex pubescence","bark architecture or pubescence
8 KB (774 words) - 13:48, 30 July 2020
quantity"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","bract architecture","bract presence","carpel fusion"
13 KB (959 words) - 14:41, 30 July 2020
proximal nonbasal bracts leaflike, long-sheathing, sheath 4+ mm, longer than diameter of stem; lateral spikes pistillate, pedunculate, peduncle usually not longer
7 KB (441 words) - 02:18, 30 July 2020
cuspidate, broadly channeled; laminal cells smooth. Seta short, about 0.3 the diameter of the capsule. Spores spheric to elliptic, 30–50 µm, papillose or nearly
4 KB (668 words) - 07:14, 30 July 2020
leaflike, often short, long-sheathing, sheath more than 4 mm, longer than diameter of stem; lateral spikes pistillate, spreading or pendent, pedunculate,
7 KB (431 words) - 02:11, 30 July 2020
5–8 spikes; proximal bracts leaflike, long-sheathing, sheath shorter than diameter of stem; lateral spikes pistillate or some androgynous, pendent, pedunculate
7 KB (422 words) - 02:06, 30 July 2020
"fruits pome coloration","fruits pome diameter","fruits pome pubescence","fruits pome shape","hypanthium diameter","hypanthium duration","hypanthium shape"
6 KB (606 words) - 14:33, 30 July 2020
development"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","base shape","blade atypical some measurement","blade
10 KB (811 words) - 14:37, 30 July 2020
long as the diameter of the distal gland, long-stipitate-glandular to hairs with stalks clearly visible, 1–3-times longer than the diameter of the distal
23 KB (1,156 words) - 22:11, 29 July 2020
quantity"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","bract architecture","bract presence","carpel fusion"
22 KB (1,233 words) - 13:46, 30 July 2020
americana) and the thickness and diameter of the xylem center of the peduncle (70% greater thickness in P. rigida, 17% greater diameter in P. americana), but he
10 KB (986 words) - 09:40, 30 July 2020
"megasporangium shape","megaspore diameter","megaspore relief","megaspore shape","microsporangium shape","microspore diameter","microspore relief","microspore
10 KB (566 words) - 00:35, 30 July 2020
development"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","bract architecture","bract presence","carpel fusion"
20 KB (1,294 words) - 13:44, 30 July 2020
quantity"]},{"rank":"genus","name":"Crataegus","properties":["author","androecium diameter","androecium position","bract architecture","bract presence","carpel fusion"
12 KB (864 words) - 14:39, 30 July 2020
quantity","carpel pubescence","filament position","filament shape","flower diameter","fruit arrangement","fruit coating","fruit fusion","fruit pubescence"
6 KB (548 words) - 14:05, 30 July 2020
architecture or shape","rib short-shoot size","seed atypical quantity","seed diameter","segment duration","segment fragility","spine duration","spine fragility"
12 KB (831 words) - 09:19, 30 July 2020
reproduction","face architecture","face pubescence","head arrangement","involucre diameter","involucre shape","leaf architecture","leaf position","line shape","lobe
4 KB (810 words) - 21:04, 29 July 2020
(often 3 per axil) shorter than to ca. 1.5 as long as subtending leaf; berry diameter equaling length of pedicel; e United States. Smilax pseudochina 9 Plants
14 KB (755 words) - 06:14, 30 July 2020
,"adaxial surface coloration","adaxial surface life cycle","androecium diameter","androecium position","apex pubescence","bark architecture or pubescence
9 KB (824 words) - 13:48, 30 July 2020