Iran, Utah, 1969, [numbers 10697-10741]
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Transcription
10715 - 6 July, 1969 Cranguiet + Parniz Balakhau Same place as 10714. Plants short. lined per- enial, fibrous rooted with 1-3 stems. Heads yellow; Marginal flowers pistillate, with a tiny digule less than 1 mm long, surpassed by the disk, their achenes 3-nerved but empty. Achenes with 2 marginal and one central nerve. Pappus none. Receptacle hemispheric, naked. Matricaria corymbifera DC. (=Chamaemulum disciforme) Tanactum (3)