| 21. | Branchlets brown or black-purple, glabrous, with inconspicuous lenticels.
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| 22. | The branchlets are yellowish-brown when mature, furrowed, hairy.
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| 23. | The female seed cones are borne on short lateral branchlets.
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| 24. | Buffalo thorn has distinctive zigzag branchlets, and hooked and straight thorns.
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| 25. | Juvenile branchlets have crimson stems with conspicuous projecting oil glands.
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| 26. | Branchlets containing the flowering heads emerge from axils at the main bracts.
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| 27. | Leaves alternate, grouped at the ends of the branchlets.
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| 28. | A few erect flowering branchlets rise from the usual low creeping form.
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| 29. | Young branches grayish brown; current year branchlets reddish brown.
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| 30. | Each of these is further subdivided into branchlets ( the pinnules ).
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