is removed; embryo large, curved to annular or spirally coiled; radicle position median or basal, ascending or pointing outward; endosperm usually digested
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their seeds with little or no endosperm. The only genus of questionable position has been Penthorum Linnaeus, sometimes placed here but clearly discordant
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silky-tomentose, abortive ovules apical (rarely in some species variable in position or subbasal), seed coat adhering to seed at maturity. Cotyledons distinct
22 KB (385 words) - 17:42, 30 November 2022
Miller Etymology: Greek entosthi, within, and odon, tooth, alluding to position of teeth inside capsule Treatment appears in FNA Volume 27. Treatment on
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cm, erect. Sheaths open to the base, with tufts of hairs at the auricle position, sometimes with a line of hairs around the collar; auricles absent; ligules
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mm. > 30 30 Leaf blade with prominent and conspicuous ringlike bands at position of cross partitions; roots without terminal tubers; inner tepals 1.7–2
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winged, gyne, female, and andros, male, presumably alluding to lateral position of gametoecia Treatment appears in FNA Volume 28. Treatment on page 367
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Stevens. 1978. Generic limits in the tribe Cladothamneae (Ericaceae) and its position in the Rhododendroideae. J. Arnold Arbor. 59: 311–341. Copeland, H. F.
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2001). Ovary position in keys and descriptions here refers to flowers during or shortly after anthesis. Reports of variation in ovary position in some genera
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serrulate throughout, teeth paired, appearing 2-fid due to their apposing position from contiguous cells, sometimes margins plane, teeth unpaired; apex gradually
5 KB (504 words) - 22:34, 5 November 2020
Etymology: Greek epi, upon, thele, nipple, and anthos, flower, describing flower position near tubercle apex Treatment appears in FNA Volume 4. Treatment on page
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Bramble ferns Etymology: Greek hypo, below, and lepis, scale, in reference to position of sori under the revolute leaf margin Treatment appears in FNA Volume
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pigmentation features indicate a position outside Solidago, as do DNA data (J. B. Beck et al. 2004). The phylogenetic position of B. discoidea remains uncertain
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staminodes (A. Bernhard 1999). de Wilde, W. J. J. O. 1971. The systematic position of the Paropsieae, in particular the genus Ancistrothyrsus, and a key to
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Rhodora 63: 226–228. Narayana, P. S. and L. L. Narayana. 1988. Systematic position of Gisekia Linnaeus—a numerical assessment. Feddes Repert. 99: 189–193
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or partly included, with 3 spikelets per node. Spikelets in the central position usually with 2 fertile florets, the lateral spikelets usually with rudimentary
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(Najadaceae). Bot. J. Linn. Soc. 107: 169--188. Shaffer-Fehre, M. 1991b. The position of Najas within the subclass Alismatidae (Monocotyledones) in the light
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strong, of carrion; sepals displayed above bracts, spreading to ± horizontal position, green, purple markings adaxially, lanceolate-elliptic, 17–40 mm, margins
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spines; lateral and adaxial spines not hooked, 2–3 in semicentral spine position; central spines 1–4 per areole, principal 1 hooked, turned upward, terete
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provided further support for the monophyly of the three tribes, but their position relative to each other and other members of the PACCAD clade is more equivocal
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