present or absent; disc absent; pistil 1, 2-carpellate; ovary 2-locular with false septum connecting 2 placentae, rarely 1-locular and eseptate, placentation
107 KB (3,718 words) - 12:07, 30 July 2020
Calyculi 0 or 1–5+ bractlets. Involucres campanulate to cylindric, 5–12 mm diam. Phyllaries persistent, usually 8, 13, or 21 (–30+) in 1–2 series, erect
40 KB (1,171 words) - 21:16, 29 July 2020
sometimes 1–2 (–4) scales aristate, or of 1–2 (–6) or 8–35 bristles. sw United States, Mexico, South America (1 species) Genera 5, species 67 (2 genera,
7 KB (521 words) - 23:47, 29 July 2020
Gen. Pl. 1 : 804. 1867. John J. Schenk, Larry Hufford Common names: Western star Basionym: Mentzelia Bartonia Torrey & A. Gray Fl. N. Amer. 1: 534. 1840
20 KB (775 words) - 18:32, 29 July 2020
sporangia with stalk of 2 or 3 rows of cells; indusia absent. Spores usually transparent or yellowish (rarely greenish), all 1 kind, bilateral, monolete
9 KB (348 words) - 00:33, 30 July 2020
auriculate or amplexicaul), margins entire or dentate, pinnatifid, or pinnatisect. Racemes (rarely with a terminal cluster of sterile flowers, usually ebracteate
23 KB (1,011 words) - 12:00, 30 July 2020
cylindric or fusiform to turbinate or broadly campanulate, 1–12+ mm diam. Phyllaries persistent, 3–21+ in 1–2 series (connate to 7/8+ their lengths, usually streaked
11 KB (696 words) - 15:28, 15 December 2020
simple, 1-pinnately compound, or 1–3-pinnatisect or -pinnately or -ternately lobed. For compound leaves, leaflets are described; for leaves mostly 1-pinnately
22 KB (1,036 words) - 23:27, 29 July 2020
petiolate, blade margins entire, dentate, sinuate, lyrate, pectinate, or 1–3-pinnatisect; cauline petiolate or sessile, blade (base cuneate, attenuate, auriculate
22 KB (1,325 words) - 12:26, 30 July 2020
basal rosulate or not, petiolate, blade margins entire, toothed, or 1–3-pinnatisect, or palmately lobed, sometimes trifoliolate, pinnately, palmately, or
23 KB (1,239 words) - 12:23, 30 July 2020
sometimes borne singly. Calyculi 0 or of 1–15+ bractlets in 1 (–2+) series. Phyllaries persistent or falling, usually in 1–2 series, usually distinct, equal to
23 KB (1,021 words) - 21:10, 29 July 2020
incompletely proximal 1/5–1/2 indehiscent and/or connectives not splitting. > 9 9 Pollen sacs dehiscing incompletely, proximal 1/5–1/2 indehiscent and/or
12 KB (581 words) - 19:05, 29 July 2020
pinnatifid, or pinnatisect [rarely entire]; cauline sessile, blade (base usually auriculate), margins entire, dentate, or pinnatifid to pinnatisect. Racemes
9 KB (595 words) - 12:02, 30 July 2020
Lepidium thurberi, Lepidium tiehmii, Lepidium virginicum Linnaeus Sp. Pl. 2: 643. 1753. , Gen. Pl. ed. 5, 291. 1754. Ihsan A. Al-Shehbaz, John F. Gaskin
29 KB (1,412 words) - 12:33, 30 July 2020
or sessile; basal rosulate, petiolate, blade margins usually 1-pinnatisect or 2-pinnatisect, rarely entire. Racemes (corymbose, several-flowered), often
12 KB (717 words) - 11:59, 30 July 2020
Heliantheae, Ambrosiinae); ovaries inferior, 2-carpellate, and 1-locular with 1 basally attached, anatropous ovule; styles 1 in each bisexual, functionally staminate
275 KB (5,940 words) - 15:30, 15 December 2020
trichomes sessile, medifixed, appressed, 2-rayed (malpighiaceous) or 3–5 (–8) -rayed (stellate), rays (when 2) parallel to long axis of stems, leaves,
17 KB (1,002 words) - 12:29, 30 July 2020
Bentham & Hooker f. Gen Pl. 1: 804. 1867. Joshua M. Brokaw Basionym: Mentzelia Trachyphytum Torrey & A. Gray Fl. N. Amer. 1: 534. 1840 Treatment appears
16 KB (899 words) - 18:19, 29 July 2020
borne singly. Calyculi usually of 1–8+ bractlets (bractlets often intergrading with distal peduncular bracts, mostly 1/5–1/2+ times phyllaries), sometimes
30 KB (1,295 words) - 21:10, 29 July 2020
annual, biennial, or perennial; trichomes (1) pointed with surfaces ± smooth or antrorsely barbed and (2) retrorsely barbed along shaft and at apex or
16 KB (1,025 words) - 18:17, 29 July 2020