Colorado Flora by William A. Weber, Ronald C. Wittmann

By William A. Weber, Ronald C. Wittmann

This advisor, meant either for the coed and scientist, deals a whole, authoritative connection with the crops of Colorado. It discusses plant geography, specified botanical beneficial properties of the mountain levels, basins and plains, and clarify uncomplicated terminology. fascinating anecdotes and introductions are given for every plant kin, and tricks on recognising the biggest households are supplied besides. each one quantity contains a entire word list, indices to universal and particular names, and 1000's of illustrations. This and its spouse quantity, were considered as the main entire courses on hand and are necessary to readers drawn to Colorado's flowers.

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3] Leaves compound (20) 19b. Leaves simple (25) 20a. [19] Leaves spine-margined, evergreen (resembling holly); inner bark yellow. Berberidaceae, BARBERRY FAMILY 20b. Leaves not as above (21) 21a. [20] Leaves with 3 leaflets (Caution! Poison-ivy is in this category). Anacardiaceae, SUMAC FAMILY 21b. Leaves not trifoliolate, usually pinnately compound (22) 22a. [21] Fruit a legume; leaflets more than 9, entire. Fabaceae, PEA FAMILY 22b. Fruit not a legume; leaflets various, but if numerous, then serrate or with shallow lobes or auricles at the base of the leaflet (23) 23a.

36] Leaves palmately (sometimes shallowly) lobed (38) 37b. Leaves not palmately lobed (39) 38a [37] Stamens numerous; carpels few to numerous, separate; fruit dry; flowers never tubular. Roaceae, ROSE FAMILY 38b. Stamens 5 or fewer, carpels 2, united, forming a fleshy berry; flowers often tubular. Grosulariaceae, GOOSEBERRY FAMILY 39a. [37] Plants only weakly woody; flowers with white, yellow, or pink tepals. Eriogonum, in Polygoaceae, KNOTWEED FAMILY 39b. Plants clearly shrubs or trees (40) 40a.

One important feature I would like to see on more labels is the family name, or, alternatively, its acronym. Labels can be printed in two columns on standard 8-1/2 x 11 inch acid-free 100 percent rag paper (other stocks are unstable over time). I prefer to use unperforated stock because some labels will be more detailed than others; a paper cutter does not add too much time. A. 8 miles from main highway along a dirt road following the ridge eastward. Weber & Wittmann 10 July 1994 19070 Herbarium COLO (Boulder) The Importance of Voucher Specimens People come to the herbarium and expect to find the complete record.

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