clavate


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clavate

[′klā‚vāt]
(biology)
Club-shaped. Also known as claviform.
References in periodicals archive ?
5 x 9-15 um fusoid-ventricose, subutriform, saccate, clavate and filamentous types present, hyaline to yellowish in KOH.
5-4 um (4 um); PARAPHYSES were marginal, yellowish brown to reddish brown, cylindrical or clavate, 50-130 (-135) x 6-8 um thick, apically rounded; wall 1-3 um thick, side walls seems thicker at apex, hyaline below and sometimes dichotomously branched.
irrigatus, mention that the adults can be recognized by the frons without setae; antenna short, same length in both sexes, about 30 flagellomeres; antennal fossae separated by about width of pedicel; fore femur without clavate setae; ocular rim without setae; fore femoral sense hair as long as fore femur and mid femoral sense hair; mesonotum without blade-like setae; tibial spurs present; pretarsal claws large, longer than one-half length of distal tarsomere; pilula axillaris large; fore wing vein 2A runs in a fairly even curve toward 3A; posterior area of hind wing narrower than presectoral area, CuA bends to hind margin at or before origin of medial fork; anterior banksian line weakly developed; fore wing without dark brown stripe in mediocubital area.
A new ichnospecies of Gastrochaenolites Leymerie from the Pleistocene Port Morant Formation of southeast Jamaica and the taphonomy of calcareous linings in clavate borings.
Primary ribs bear strong spiny umbilical tubercles, less marked inner ventrolateral tubercles and well marked clavate outer ventrolateral and siphonal tubercles.
Leaves mostly opposite or subopposite but sometimes alternate or ternate; lamina of larger leaves 7-15 mm long, 2-4 mm wide, narrowly ovate (elliptical), rounded at base, acute at apex, loosely sericeous on both sides with the very fine hairs 2-3 mm long, straight, appressed or somewhat spreading, the abaxial surface with some hairs persistent, the adaxial surface glabrescent in age; glands absent from surface of lamina but sometimes represented by one columnar or clavate marginal structure on each side, 0.
Conidiophores micronematous, mononematous, branched, or unbranched, straight or slightly flexuous, hyaline to olivaceous brown, smooth, narrow 2-3 pm thick, Conidiogenous cells clavate or broader 4-6 pm giving rise denticles 3 to many, cylindrical long, narrow toward tips 3-6 x 0.
Stigma shape: simple = 0; capitate = 1; clavate = 2; lobed (carpel number) = 3; lingulate = 4.
Diagnosis: Antennae of male clavate, 9-segmented, with short A3 and A7-A8 distinctly transverse; mesoscutum reticulate-coriaceous, without notauli; body brightly coloured.