Nghĩa của từ pappus bằng Tiếng Anh

noun
1
the tuft of hairs on each seed of thistles, dandelions, and similar plants that assists dispersal by the wind.
The achenes are terete, narrowed at the base, 5 x 0 • 7 mm, ribbed and black, with a basal tuft of hairs and a pappus consisting of five ovate, petal-like scales.
noun
1
( fl. circa ad 300–350 ) , Greek mathematician; known as Pappus of Alexandria . His Collection of six books (another two are missing) is the principal source of knowledge of the mathematics of his predecessors.

Đặt câu với từ "pappus"

Dưới đây là những mẫu câu có chứa từ "pappus", trong bộ từ điển Từ điển Tiếng Anh. Chúng ta có thể tham khảo những mẫu câu này để đặt câu trong tình huống cần đặt câu với từ pappus, hoặc tham khảo ngữ cảnh sử dụng từ pappus trong bộ từ điển Từ điển Tiếng Anh

1. Akenes with various types of pappus

2. Akenes with various types of pappus

3. The fruit is a flattened achene without pappus.

4. Fruits The fruits are achenes (with no pappus).

5. Commentaires de Pappus et de Théon d’Alexandrie sur l’Almageste

6. Commentaries on Almagest were written by Theon of Alexandria (extant), Pappus (fragments), and Ammonius (lost).

7. Rome (ed.), Commentaires de Pappus et Théon d ’ Alexandrie sur l ’ Almageste, 3 vols

8. In the year 300, Pappus of Alexandria said the best is to use hexagons, just like bees do.

9. The Achenes have a dandelion-like set of bristly hairs called a pappus which aids in dispersal of the seed by the wind

10. For instance, species in the Asteraceae on islands tended to have reduced dispersal capabilities (i.e., larger seed mass and smaller pappus) relative to the same species on the mainland.

11. DISC FLORET sessile , Bracteate , complete bisexual actinomorphic epigynous Calyx: Modified into hair like structure (pappus) Corolla: 5 petals , Gamopetalous, valvate Aestivations Androcium: stamens 5 syngenesious , basifixed Gynoceium bicarplellary , syncarpous , ovary inferior 18

12. Physiology Uropappus lindleyi, like other annuals of similar species of Microseris occurring in warmer and drier climates, has specialized features such as autogamy (self pollination), reduction in flower size and pappus scale numbers, as well as subacaulescent to acaulescent stems (Chambers 1955, Stebbins 1972).

13. Pav. exHand.-Mzt., which seems to have been mistaken for,T. cylleneum differs in its reddish to red pappus and the short, but abruptly constricted rostrum of the achenes and the almost incornuted leaflets of the involucrum, by which characteristic it is well distinguished fromT. primigeniumHand.-Mzt.

14. The egret and the Bonelli eagle also have their nests here.: Fruit - en forme de coin, brun-marron akène avec une Aigrette jaune ou brun.: Fruit - wedge-shaped, brown-brown achene with a yellow or brown pappus.: Fruit : Akène couronné par une