The Cycadaceae
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Description: Woody, unbranched or sparsely branched, palmlike, dioecious, seed-bearing trees or shrubs with thick, pithy stems.
Non-Flowering Plant Families, UH Botany The Cycadaceae are woody, unbranched or sparsely branched, palmlike, dioecious, seed-bearing trees or shrubs with thick, pithy stems. The leaves are alternate, spirally arranged in a cluster at the summit of the stem, frondlike, pinnately compound, usually stiff, often with sharply pointed leaflets that have a single midvein (without laterals) and exhibit circinnate vernation. The ovules and seeds (2-8) are born naked on the petioles of reduced leaves that are loosely clustered at the stem apex of female plants. Male plants produce male or microsporangiate cones that bear many scales, each with an abundance of microsporangia scattered over the lower surface. Seeds are typically large.
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Page title: | Non-Flowering Plant Families, UH Botany |
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IP-address: | 128.171.224.100 |
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NS | Name Servers: DNS1.HAWAII.EDU 128.171.3.13 DNS2.HAWAII.EDU 128.171.1.1 |
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Date | activated: 27-Oct-1986 last updated: 24-May-2011 expires: 31-Jul-2014 |