Page 33: 3,140 results for bract
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Typhaceae: Dichotomous Key
...leafy bracts [Figs. 306, 307]; fruit an achene with a persistent stigma beak; leaves flaccid to firm, parallel-veined and checkered with rectangular areoles 1b. Spikes cylindric, the car...
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Xyridaceae: Dichotomous Key
...> Xyridaceae. Xyridaceae. Bracts and sepals continue to grow after anthesis. The measurements used in the following key are for those bracts and sepals that subtend mature fruits. Reference: K...
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Nabalus: Dichotomous Key
...involucral bract hairs are smooth. Reference: Bogler (2006c). 1a. Involucral bracts sparsely to densely long-hirsute (caution: sometimes only a few hairs are present on the involucre o...
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Crepis: Dichotomous Key
...involucral bracts glabrous on the adaxial (i.e., inner) surface; cypsela body 1.4–2.5 mm long (up to 4 mm long in the rarely collected C. nicaeensis) 3a. Abaxial surface of involuc...
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Dipsacus: Dichotomous Key
...involucral bracts linear; corollas light purple (rarely white) 1b. Stem leaf blades irregularly laciniate-pinnatifid; involucral bracts narrow-subulate [Fig. 543]; corollas white (rarely...
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Scleranthus: Dichotomous Key
...floral bracts equaling or exceeding than flowers 1b. Sepals obtuse to rounded at apex, usually introrse in fruit and overlapping, with a broader white-scarious margin 0.3–0.5 mm wide; flo...
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Petrorhagia: Dichotomous Key
...summit; bracts brown-scarious, broad-ovate, ± enclosing the 10–13 mm long calyx 1b. Inflorescence a solitary flower (rarely up to 3 flowers) at the tips of branches; bracts of inflorescen...
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Origanum: Dichotomous Key
...smaller bracts of inflorescence usually tinged with red 1b. Calyx zygomorphic, with 1 prominent lip, the lower lip poorly developed, and with a slit on one side; smaller bracts of inflore...
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Crepis tectorum (narrow-leaved hawk's-beard)
... Bract outer side hair type: the bracts are hairy on their outer surfaces, with hairs having glands (a swelling at the tip of the hair). Bract ti...
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Symphyotrichum concolor (eastern silver American-aster)
... Bract texture: the bracts appear leathery or hardened. Bract outer side hair type: the bracts are hairy, with simple h...