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3-foliolate achenes acute or acuminate acutish anthers apex Asia axillary axils Basal leaves base beneath bractlets bracts branched Britton broad calyx calyx-lobes Calyx-tube capsule carpels clustered cordate corolla Crataegus cuneate cymes deciduous dehiscent densely dentate diameter dioecious drupe dry soil elongated endosperm entire erect or ascending Europe filaments filiform flowers white flowers yellow fruit glabrate glabrous globose Gray herbs involucre lanceolate leaflets leaves petioled linear linear-oblong lobes margins Michx Minnesota narrowed natives nearly sessile numerous Nutt oblanceolate oblong obovate obtuse Ontario orbicular oval Ovary ovate ovate-lanceolate ovoid ovules panicles pedicels peduncles Perennial petals petioles pink pinnate pistillate pods preceding species pubescent purple Pursh racemes rarely Rocky seeds sepals serrate sessile short short-petioled shorter shrub slender slightly solitary sometimes south to Florida southern spreading Stamens stem stigma stipules stout style subulate terete terminal Texas thick Torr tufted umbels usually Virginia wide woods
Page 519 - Calyx-tube adnate to the ovary, its limb truncate or toothed. Petals usually 5, valvate or slightly imbricate, sometimes cohering together, inserted on the margin of the calyx. Stamens as many as the petals and alternate with them (rarely
Page 411 - 5-parted, the segments imbricated. Petals of the same number, or none. Disk thick, annular, lobed, sometimes obsolete. Stamens 4-12, often 8; filaments filiform. Ovary 2-lobed, 2-celled; styles 2, inserted between the lobes. Fruit of 2 long-winged samaras, joined at the base and
Page 570 - none. Ovary 2-5-celled; style elongated or short; stigma peltate or capitate; ovules usually numerous, anatropous. Fruit a capsule, berry or drupe. Seeds usually numerous and minute, or sometimes only i in each cavity; endosperm fleshy; embryo central; cotyledons short; radicle
Page 622 - imbricated in the bud. Stamens as many as the lobes of the corolla, alternate with them, inserted on the tube or throat;
Page 105 - one of the outer pair spurred at the base, the interior ones narrow, keeled on the back. Stamens 6, in 2 sets, opposite the outer petals. Placentae 2; style
Page 421 - filaments filiform, elongated. Ovary immersed in the disk and adnate to it at the base, 3-lobed. Disk adnate to the calyx. Style short, 3-cleft. Fruit
Page 249 - 25° high. Leaves ovate or oval, acute or acuminate at the apex, rounded or cordate at the base,
Page 438 - Erect, 4°-7° high, forming numerous cane-like stems from a perennial root. Leaves ovate or ovatelanceolate, 3'~7' long, cordate or obtuse at the base, acute or acuminate at the apex, the lower or sometimes all lobed at the middle,
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